Rem Font Size Responsive

no increased font sizes) the size of the text on the screen for each device is different. A presentation created with Slides. 2 Fluid REM-unit rescaling. (Oh wait, I've said that before. The translation is that rem is now an acceptable unit for font-size, just like the more frequently found px or em. If font-size is not. The general idea is to set the font-size in your body tag to e. I like to think of it as a reset. JS from resizing the text beyond certain font-sizes. 833rem; // 10px } Not much has changed. On the other hand, Moore uses the REM unit and HTML font-size to set a minimum font size for certain content elements. I talked about using rem and em for responsive typography and for building modular components in two blog posts previously. Understanding and Using rem Units in CSS CSS units have been the subject of several articles here on SitePoint (such as A Look at Length Units in CSS , The New CSS3 Relative Font Sizing Units. These are the relative font units used for responsive web pages. There are 4 special global settings that can change all of the fonts on the chart. (I don't do much responsive development) The way I see it is what's the difference between defining say a base font-size of 12px and then saying an element's font-size will be 2. The design of a font within a digital text document and online is known as web typography. And the @font-base-size is defined as 14px in variables. Experiment with font size, scale and different webfonts. Amit Patel on Responsive design v2. Em is related to font size of the parent element. So additional options would just slow down the process. The factor which determines the strength of font size resizing is set to 5. 14px * 5em = 70px. Use only em for font-size. You see, I want the navbar and the title to shrink a bit when the screen is less than 768 pixels wide (our media query breakpoint, remember?). In order for em and rem to work effectively the parent section needs to have a set font size. Note: I'm not asking about using px, em, pt, %, rem, etc. If you haven't set the font size anywhere on the page, then it is the browser default, which is often 16px. CSS Font Sizing: Pixels vs Em vs Rem vs Percent vs Viewport Units. That means that we can define a single font size on the html element and define all rem units to be a percentage of that. child-body, is assigned a font size equal to. Website Design can be tricky to figure out yourself but this course makes it super easy to grasp. Using this method makes it possible to have different fonts in the same text object and make the text responsive at the same time. The default size for 'medium' text in all modern browsers is 16px. The Art of Responsive Design. The child element has a font-size of 150%. Change the font size for specific screen sizes. In short, it’s a combination of many things that make the page flexible depending on which device it is displayed. That’s why our next material will teach you some responsive font sizing techniques with CSS. " Typically, 100% is the equivalent of 16px. 5%, 1 rem is the equivalent of 10 pixels, 1. 6rem; } Oh the simple things. The vmin and vmax values are whichever is smaller respectively larger of either the vh or vw. While in the above steps I detailed and attached a quick, fast modular scale with Sass – I'm going to gift you with an easy Mixin for typography so it becomes real-time responsive, enlarging it, and becoming increasingly small while you manage the width of your browser. The rem font-size unit is similar to em, only instead of cascading it's always relative to the root (html) element (more information). The em unit. I'm thinking this will preserve a consistent base font size. Desktop-first approach means you just have got to define your font-size for big screens and the font size will automatically decrease for smaller ones. In this example I'm defining a base font-size of 16px which is the reference of the font-size of the other element. Is there some base font size, which can be changed through javascript?. The main idea in rem is that you first determine a base size (default is 16px) and then use rem unit to scale your font size against the rem. The 2em means it will be two times larger than the base font size, which is our responsive font size we set on html, which is perfect. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. In short this means the following: 1 rem = 16px 1. 1) I set the base font-size to 10px inside html. 5em means it will be 1. This value defines a measurement relative to a font's x-height. Font sizing with rem. 5% for the entire site the unit of em's and rem's then becomes equal to 10px (1em = 10px). byline { font-size: 1rem;}. The Art of Responsive Design. 3 hinzu und ein unschuldig wirkendes font-size: 2em im h1-Element ist um den Faktor 3,12 größer als die Basis-Schriftgröße von 16px. 5x larger than the base font size. In the classical web design we used to use px for fonts and other metrics, and still many of us are using this kind of practice. Of course that would mean using a font size of 16 pixels for paragraphs would lead to this CSS: p { font-size: 16px; font-size: 1. Em is a scalable unit equal to the current font size in the document. How to define font size is no big deal. A button would be a block. Hi vọng với giải thích và ví dụ demo của mình sẽ giúp các bạn dễ dàng hiểu hơn về 2 đơn vị em và rem này. In today’s world of responsive designs, relative units like the em or rem units give us adaptability and flexibility right out of the box that allows for sizes to be based on the font-size(s) defined higher-up in the markup. 3 introduced Responsive Font Sizes (RFS) which you can enable in the SCSS compiler. You can also use media queries to adjust the font size for certain screens. Lemon define html elements font size as 62. We have many good choices when it comes to units in CSS. In the first child we modify font-size to be 1. If you choose this approach, you may have to play around with the rem and vw values to try to get close to 36px at 414px, and 76px at 1440px. I've been using em based media queries since… well since I worked out that device specific media queries were a waste of time (around 2012). The design of a font within a digital text document and online is known as web typography. While looking at style. 5% body font-size: 1. Since the formula will calculate the font-size between our breakpoints of 414px and 1440px, we need to use media queries to force our minimum and maximum font-size values below 414px and greater than 1440px. 2rem; } In all three of the nested divs in the previous example, the font would evaluate to 16. Use em units for sizing that should scale depending on the font size of an element other than the root. The rem (for "root em") is the font size of the root element of the document. The em unit is relative to the font-size of the parent, which causes the compounding issue. Webクリエイティブラボラトリー remでやってるのは. This cuts that. My name is Estelle Weyl. 2 em of the 1. As you will discover in the lessons on responsive design in the CSS Layout Fundamentals course, percentage units are a key component in the flexible grids needed for responsive design. Meaning p{ font-size:1em; }is equivalent to 16px in this example. The font size should be defined in relative units, such as percentages, em or rem. if a user has set their browser to explicitly use a different default font size, or if it's a device/browser which sets a different font size, this unit will allow for it. Actual text elements (h1, h2, p, li, whatever), if you size them at all, are sized in em, and thus become relative to the module. The CSS3 specification included a new unit named rems. rem is another version of em but it sets font size relative to the root html element and thus preventing size compounding. 2 Screens larger than 48em: base font size of 112. - Hard to keep relation between all font-sizes (Titles may become too small to make a difference in size in relation to the text) - (Limitted) testing needed to check if the font is scaled correctly - There is a linear relation between the font-sizes and this can be problematic on small screens. REM is dictated by the set root (HTML document) size. Use em or rem for responsive font size. , "HTML tag" "em" font-size unit referred to parent element. Just like em, px, whatever. We have many good choices when it comes to units in CSS. An em is equal to the current font-size, for instance, if the font-size of the document is 12pt, 1em is equal to 12pt. In this example I'm defining a base font-size of 16px which is the reference of the font-size of the other element. And the @font-base-size is defined as 14px in variables. Until recently, most developers used pixels to define font sizes. Responsive; Layouts and templates html > font-size 70%: min 1024 Dimensions of the basic elements of typography expressed in rem units relative to the font. For example if you set the base font size like so html { font-size: 62. + Perfect control over every font-size for every screen-width. Changing the html font size will scale the. The CSS3 specification included a new unit named rems. For me, realizing that the "R" in REM stands for "root" was what helped me to finally differentiate the two. This makes it easy for developers to define a single font size on the html document and then define all rem units to be a percentage of that. This obviously isn't enough to learn it properly, but it will give you an overview of the most important concepts, which I personally define as these: * Relative CSS units * Media queries * Flexbox * Responsive typography If you want to dive deeper into the subject afterward, you can check. The second child,. html {font-size: 12px; @media (min-width: 800px) {font-size: 14px;} @media (min-width: 1200px) {font-size: 16px;}}. 1rem, the calculation is easy. (I don't do much responsive development) The way I see it is what's the difference between defining say a base font-size of 12px and then saying an element's font-size will be 2. When setting a font size I mostly use the rem unit, which references the pages root font-size and eliminates cascade issues. But keeping these possible savings in mind while writing your application's stylesheets can significantly lighten your CSS payload, keeping page load times down and user experience positive. padding is the area inside the border. 3 introduced Responsive Font Sizes (RFS) which you can enable in the SCSS compiler. For me it make sense, as I assume that device designer made a sane decision and made default browser font size usable. rem - stands for root em. Indeed, a responsive font size should be related to its parent container width, so it can adapt to the screen of the client. CSS has several different units for expressing a length. It will demonstrate the use of the new size unit REM. JS is extremely easy to use. However, if you will not change font-size later on, there is nothing to worry about. The em unit is relative to the font-size of the parent, which causes the compounding issue. 5em would equal 6pt, etc. There's more to Melanie's question, but the gist is that it's valid CSS, just not as widely known, so she shouldn't be worried about someone corrupting the html. Now it’s a minimum of keyboard shortcuts, to get the REM result copied to your clipboard. Adding media queries to limit the minimum and maximum font-size. A relative measurement which improves on the em unit due to the fact that it calculates size based on the root font-size value, rather than the font-size of the parent element. This was the best method I could come up with when I first started creating responsive websites: p { font-size: 16px; } @media (min-width: 800px) { p { font-size: 18px; } } /* Repeat for h1 - h6 and other type groups */. The typography is the most noticeable element of a website, making it a crucial aspect of the web design. We can therefore use mediaqueries to scale down this base size on smaller screens, which means a breakpoint based responsive font size for browsers that do not support the vw-unit. As far as I can tell, switching from px to rem is primarily for accessibility. This px to rem converter is a free online tool you can use to convert from px value to it's rem equivalent. JS from resizing the text beyond certain font-sizes. 429em;} Legacy Browsers. The problem with 62. 5em means "5 times the font-size of the element this is applied to". html {font-size: 12px; @media (min-width: 800px) {font-size: 14px;} @media (min-width: 1200px) {font-size: 16px;}}. For example, Sketch displays pixels instead of rem. The rem unit is relative to the root—or the html—element. 1 point Patrick Smith , over 5 years ago (edited over 5 years ago ). EM all the way for font-size! em scales based on the closest font-size. Bootstrap’s font sizes are calculated off of the body font size by using rem values. For example, with the base font size set to 62. As you set REM based margins and paddings to create space between objects, working in units relative to your paragraph font-size helps to create a vertical rhythm that will guide the. Hi vọng với giải thích và ví dụ demo của mình sẽ giúp các bạn dễ dàng hiểu hơn về 2 đơn vị em và rem này. Now your rem units will be applied to the default font size for the device. You can change your ad preferences anytime. I've created a site using the Zurb Foundation 3 grid. The type scale is a combination of 13 styles that are supported by the type system. So it should look like this: html { font-size:100%; }. Adding media queries to limit the minimum and maximum font-size. Here’s the code I’ve tried within Quick CSS but sizes are retained when screen sizes reduce which makes the page look awkward. It is not possible to zoom text set in pixels independently from the rest of the page in some browsers. CSS3 introduces a few new units. A presentation created with Slides. Where it gets dumb is stuff like button and input. parent retains the default font-size of 16px, because we do not set it to anything else. The em unit is relative to the font-size of the parent, which causes the compounding issue. Start with a reasonable font size. For example, if the size of parent element is 16px, then 1. In this example I'm defining a base font-size of 16px which is the reference of the font-size of the other element. 이렇게 한 이유는 보통 html 요소의 폰트 크기를 바꿔가면서 전체적인 디자인을 키우거나 작게 하려는 게 목적이지요. Indeed, a responsive font size should be related to its parent container width, so it can adapt to the screen of the client. 2em vergrößert die Schrift im div-Element schon um den Faktor 1. This is a sample chapter from the Second Edition of Chris Ward's book Jump Start Responsive Web Design. In the course, I start by introducting the two which are relative to font-size, the em and rem. I've created a site using the Zurb Foundation 3 grid. We probably won’t do adjustments to this calculator, as it would ruin the ease of use. rem做法 现在【天猫】的做法就是用rem来做。 rem(font size of the root element)是指相对于根元素的字体大小的单位(可以联想一下em)。也就是比如我定义:. If you choose this approach, you may have to play around with the rem and vw values to try to get close to 36px at 414px, and 76px at 1440px. An increase in default font-size will proportionately effect the breakpoints, so in my opinion, the EMs still have it. Browser default font size would typically be 16px. In the classical web design we used to use px for fonts and other metrics, and still many of us are using this kind of practice. If we intend to keep the current behavior, therefore, we should probably raise this as a spec issue. I resisted working with viewport units for a while, believing that using them would be a. What are em and rem font sizes? 14 July, 2016 11 January, 2017 ShapedPixels Shaped Pixels Blog Ever wonder what 1em or even a 1rem means when you are looking at your WordPress theme's stylesheet and thinking what the hell is that?. css, I noticed the use of "REM" to set font sizes and margins. Challenge website to make responsive: http://forum. While em is relative to the font-size of the element on which they are used, rem is relative to the font size of the root HTML element. Em and rem are similar and 1em means basic font size, while 2em means twice as big. Webdesign Grundlagen CSS Schriftgröße mit font-size und em, rem, px, % Das Video erklärt Dir, wie Du die Schriftgröße mit CSS für HTML-Dokumente bestimmst und welche Maßeinheiten es gibt und was der Unterschied zwischen px, em, rem und % ist, zeigt das Video. Responsive typography: rem The final step is to make our typography responsive as well. 1em is equal to the current font size of parent element. Rem (short for ‘root em’) is also similar in its functionality, although it deals specifically with font sizes, and derives its name from the value of the font size of the root element – which should default to 16 pixels on most browsers. We've put more than 15 years of experience building web products, services and websites into this framework. The font size should be defined in relative units, such as percentages, em or rem. 2 and that makes this gist useless unless all those places are patched. The breakpoint is set to 1200px, screens with a smaller size will have dynamic rescaling. The resulting font size in. Chapter 4: Responsive Text. However there is a neat code snippet by Roman Rudenko that simulates vw with rem and some JavaScript. If you used Pixels, mobile styles should have been modified. Pixels (px) are much more precise and should be rarely used when you want to have a fluid. Before the advent of responsive design, pixel was widely used as THE font sizing for everything from typography to width. So whenever you specify the font-size of a element, it basically overwrites that browser's property. com Rem definition provided by Snook. Meet the rem. Challenge website to make responsive: http://forum. responsive font size em (17). Indeed, a responsive font size should be related to its parent container width, so it can adapt to the screen of the client. Many CSS properties take "length" values, such as width, margin, padding, font-size, etc. For example, with the base font size set to 62. Font Sizing With px, rem, em Responsive EDM (Electronic Direct Mail) – Full Width Image and 2 Columns Responsive EDM (Electronic Direct Mail) – 2 Columns to 1 Column. rem adalah satuan ukuran font yang populer digunakan akhir-akhir ini, terutama sejak CSS3. Preview and choose the right type scale for your project. You can use rem values. Such rules occur 31 times in Bootstrap 3. Setting your base font size is an important step for responsive design. 5em; }, that will mean 1. ページ内でまだフォントサイズをセットしていなければ、ブラウザのデフォルト、おそらく 16px が使われます。したがって、デフォルトでは 1em = 16px であり、2em = 32px です。もし body 要素で font-size を 20px にセットすれば、1em = 20px で 2em = 40px です。本質的には、値の 2 が現在の em の大きさの乗数であることに注意してください。. 2 em of the 16px font, or roughly 23px on the p tag instead of ~19px that you would expect. Handy chart showing font size conversions and custom converter tool: http://pxtoem. This structure enables us to blow up the whole layout by changing one parameter: the font size in the body tag. 5 = 15px */} The CSS background-size property is used to specify the size of the background image. Ems are scalable in nature, so 2em would equal 24pt,. rem – Rems. Whether a font size is defined in pixels, rem, rem or % units for resizing doesn’t really matter. For our example, let's use the following values: Screens smaller than 36em: base font size of 100% (16px), ratio of 1. For example, if an element is displayed with a font size of 10 px, then 2em is 20 px. Relative font zaključci Korostimorelative fonts iz istih razloga iz kojih koristimo relativne visine i širine:-Bolje je korstitiemiremnego procente - Nema posebnog razloga, ali je emnamijenjen za fontove, pa je semantičkij jasnije. Los que entienden rem simplemente leen la segunda línea y sobreescriben el valor especificado en la primera. Lemon use Open Sans font. em is relative to the font size of parent element. The downside of this is that you need to know every font size of every element to assign the proper value. The resulting font size in. The font size will always be relative to this root html size, rather than adjusting as you nest multiple containers with differing sizes. In most cases we need to set parent element font-size to "1em", but in case of "rem" it don't required and purpose of em is perfectly solved. 2 Fluid REM-unit rescaling. 2em , then you will have a font in that p tag that is 1. Ya tienes buenas respuestas de Error404 y Daniel Díaz, solo quería añadir que si pones por ejemplo font-size:80% para los párrafos lo que haces es darle un tamaño del 80% respecto al tamaño que heredes de los elementos padre, si no has definido ningún tamaño será del tamaño por defecto que pone el navegador, generalmente 16px, por lo que tendrás una letra de 12. Estelle Weyl. However, I feel like we have allowed the lack of variety prior to the rise of web fonts to dampen our creativity now that thousands of web fonts are at our. Possible options to customize. Changing the html font size will scale the. The main issue with using rem for font sizing is that the values are somewhat difficult to use. Note: I'm not asking about using px, em, pt, %, rem, etc. 85em;" for text you want smaller than normal (normal being 100%, the default, and what each user is supposed to find comfortable for their eyesight on their. font-size 23px A cracking article on increasing the size of your font on websites starting with the body copy. The rem font-size unit is similar to em, only instead of cascading it's always relative to the root (html) element (more information). Why not let it in set with em, therefore linked to a root font size ? Imagine we use BEM, and we set a font-size in rem for each block. CSS has several different units for expressing a length. In case you now want to set font-size:22px in rem of an element, then we can calculate the font-size as, If we want to keep the font-size responsive to the device. The rem (for “root em”) is the font size of the root element of the document. The em and rem units allocate space relative to font size. Web browsers calculate the REM (the root em size) based on the root element size. rem adalah satuan ukuran font yang populer digunakan akhir-akhir ini, terutama sejak CSS3. In order for em and rem to work effectively the parent section needs to have a set font size. The typography is the most noticeable element of a website, making it a crucial aspect of the web design. Adding media queries to limit the minimum and maximum font-size. Rem units have proved to be very helpful in design as they can be calculated a lot easier. Often times, there are certain elements within our design that we'd like to ensure can fit into the viewport in their entirety. Using em's and changing the font size on the body we can do much of the work for a responsive vertical rhythm I wrote a fairly lengthy post previously on vertical rhythm. Estelle Weyl. It's very similar to the em, except that the font size defined using rem is set relative to the font size of the root element, the html, instead of the body, and this is where the r in rem comes from, as rem stands for "root em". Here are some responsive design testing tools you can use:. Here's how these basic styles look when you use rem:. Responsive Typography – Adjusting typographical styles based on screen size. If you've installed the latest Genesis theme framework, you'll notice the style. com Rem definition provided by Snook. Set max-width to have no horizontal scrollbar. REM and EM in CSS bookmark CSS3 access_time 3 years ago 2 months ago person cssstars chat_bubble 0 One of the most confusing aspects of CSS styling is the application of the font-size attribute for text scaling. This will set font size as 10px and set padding as 140px from every side, because it takes measurement from browser default font-size property where any value taken is set as 1em i. Max Luster has a great example of this here. Font sizing with rem. As soon as you design a responsive body text for your web page, it’s crucial to remember to adjust not only the font size, but also the line spacing. That way the text size will follow the size of the browser window:. Indeed, a responsive font size should be related to its parent container width, so it can adapt to the screen of the client. The font size should be defined in relative units, such as percentages, em or rem. However there is a neat code snippet by Roman Rudenko that simulates vw with rem and some JavaScript. h1 { font-size: 2rem; } Same syntax as em. Register Service Level Agreement Policy Template with Metrics. If you haven't set the font size anywhere on the page, then it is the browser default, which is often 16px. rem values are relative to the root html element, not to the parent element. This was the best method I could come up with when I first started creating responsive websites: p { font-size: 16px; } @media (min-width: 800px) { p { font-size: 18px; } } /* Repeat for h1 - h6 and other type groups */ I've learned a lot more about. you will need to do a mobile responsive test using real mobile devices. This px to rem converter is a free online tool you can use to convert from px value to it's rem equivalent. Many CSS properties take "length" values, such as width, margin, padding, font-size, etc. rem units can be influenced by font size inheritance from browser font settings. The em unit is relative to the font-size of the parent, which causes the compounding issue. However, CSS3 introduces a new proportionately-sized text unit rem. 5rem, I really need an eraser. font-size units words px % em rem xx-small 6px 5% 10% 20% 50%. How to define font size is no big deal. Since 1px = 0. But there are hundred of tutorials teaching you, that it is a good idea to set the font-size of the html-element to 62. They also allow you to quickly scale an entire project by changing the root font-size (for example at a certain media query/screen size). 17 田中 陽介 【CSS】font-sizeの使い方!pxやrem、%などの使い分けも解説. I have been reading stuff where one way of having responsive font size was to have base font size as px defined in body or html as then use font sizes in rem for different components in body such as p, h1 etc. ページ内でまだフォントサイズをセットしていなければ、ブラウザのデフォルト、おそらく 16px が使われます。したがって、デフォルトでは 1em = 16px であり、2em = 32px です。もし body 要素で font-size を 20px にセットすれば、1em = 20px で 2em = 40px です。本質的には、値の 2 が現在の em の大きさの乗数であることに注意してください。. Until recently, most developers used pixels to define font sizes. If you are not familiar with the rem and em CSS units, then it's the right time to learn it. 0em (effectively making it 24px) you're still setting a hard value to the element. Where it gets dumb is stuff like button and input. 2em means two times the size of the current font. closing this, as the discussion is getting circular. rem units can be influenced by font size inheritance from browser font settings. In this article, I'll teach you as many responsive design techniques as I possibly can in five minutes. However there is a neat code snippet by Roman Rudenko that simulates vw with rem and some JavaScript. We can therefore use mediaqueries to scale down this base size on smaller screens, which means a breakpoint based responsive font size for browsers that do not support the vw-unit. Your design may require some specific image widths for different screen size ranges and a fluid width would break your design. Understanding and Using rem Units in CSS CSS units have been the subject of several articles here on SitePoint (such as A Look at Length Units in CSS , The New CSS3 Relative Font Sizing Units. In case you now want to set font-size:22px in rem of an element, then we can calculate the font-size as, If we want to keep the font-size responsive to the device. But I need to have something to base my design on. Lastly, you have full control over the base font-size, so that you can set your typography perfectly. The base font size is set off of the body tag in your css. The minimum font-size is set to 1rem (16px). But using contemporary responsive design principles is convincing us to leave global font-size alone and embrace the standard em. Getting that to happen is a pretty simple proposition, since we’re only concerned with the font size:. 1 Responsive REM-unit rescaling. They are calculated in relative to its parent font size. If you define p{ font-size:1. I resisted working with viewport units for a while, believing that using them would be a. Lemon define html elements font size as 62. Possible options to customize. 「remはフォントサイズだけのものではない」という事実を知ると、実はかなり便利な単位だったりします。 詳細についてはこちらのページにも解説・デモがあります。 remとは. The em unit. Penulisan font-size sebanyak 2 kali tersebut bertujuan untuk mengatasi keterbatasan dukungan web browser ‘lawas’ terhadap satuan ukuran font baru: rem. So here's my idea: you still keep px size adjustments at the document level so you can make easy/efficient sweeping size changes. When to use rem, em, % and px? that way you could control the responsive font sizes with html font size since rem takes the font size of the html which defaults. The size of the h1 and h2 will change as the viewport changes. you will need to do a mobile responsive test using real mobile devices. If a style sheet is built in a modular fashion, then rem shouldn't be needed very often, but it can be handy at times. rem units can be influenced by font size inheritance from browser font settings. PostCSS Responsive Type. :-p And there's no easy way to automate that math with Sass since Sass doesn't automatically know what the parent elements font size is. To make this sign responsive for any screen size, I used a combination of rem, em, and px for font-size units and CSS variables to manage breakpoint changes. Use font-size: [x]rem for other elements (test page 3) A simple workaround if you do want to define a base font-size for the document that is different from the root element's computed font-size (aka rem ), would be to use percentages here as well. React bootstrap builds the componentclassNames in a consistent way that you can rely on. The em and rem units allocate space relative to font size. (Oh wait, I've said that before. 16px = 1rem (base) 18px = 1. So here's my idea: you still keep px size adjustments at the document level so you can make easy/efficient sweeping size changes. 5% for the entire site the unit of em's and rem's then becomes equal to 10px (1em = 10px). ) Drawbacks of Common Approaches. jadi kalau font-size html element ngga kita ubah maka 1rem = 16px. I've been using em based media queries since… well since I worked out that device specific media queries were a waste of time (around 2012). This is achieved through the use of multiple media queries, which can be placed within the custom. You can change your ad preferences anytime. The first of these units are most of interest when it comes to the typography in your designs. Google recommends 2 the following when it comes to font and responsive design: Use a base font size of 16 CSS pixels. An em is equal to the current font-size, for instance, if the font-size of the document is 12pt, 1em is equal to 12pt.