In a responsive world, UXs and designers have to think more about the best interaction patterns at different form-factors, and focus on typographical concerns like font sizes, margins, line height and leading. In the past, designers have translated the UX into static Photoshop designs of every page, and then interaction developers have attempted to realise them pixel-perfect across all browsers. 12) Designers need to think about the fluidity of the layout
You can use the media elements in CSS to ensure that you have the right amount of margin at each size for fluid layouts. Instead, put actual img elements into the markup. They are not well supported by all browsers, and you have little control over size and positioning – especially in responsive layouts. 11) Avoid background images that are really part of the grid/layout
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myElement to break 10% out to the left, and still occupy the full width (if possible). 10) If you need to break out of the grid, the best way to do this is to use negative marginĭon't forget to also increase the max-width to ensure that the object continues to fill the space (and ensure that the object is large enough, if it is a fixed-dimension thing like an image). Use (and style) the Bootstrap carousel, which copes much better with responsive designs. (including jquery.cycle and jshowoff), especially with fluid layouts. 9) Most 3^(rd) Party content rotators are broken in various ways That tends to mean avoiding fine lines and text. It is best to use a single image across all resolutions that scales down nicely.
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You will pay for an image download even if the element is display: none. 7) Don't forget that if you want something hidden on phones and tablets, you'll have to apply both classes 8) Remember that browsers still load image content, even if the element is not displayed Don't forget to proof in every form factor to avoid missing or duplicate elements. Use hidden-sm or hidden-xs and visible-sm-inline-block, visible-xs-inline-block (that's hidden-tablet or hidden-phone and visible-tablet, visible-phone on BS2) to alter layout and line-breaks/wrapping on different target devices. Think 6) Think about duplicating and hiding paragraphs on different form factors to alter line-breaks 5) Always ensure everything is inside a well-understood structure 4) Make no use of or to affect line breaking without testing across all form factors/sizesĭefinitely don't use to create vertical spacing – set up your margins and padding. (You get this behavior by default in Bootstrap 3) 3) You should avoid any use of explicit pixel-based sizesĭefinitely no explicit widths or heights, even (especially!) on images. This is the best way to achieve a resizable layout.
You can use row-fluid inside a container to get a 12-column (nestable) fluid grid within a pseudo-fixed-width, centred container that steps down in size as the window resizes. 2) Similarly, with Bootstrap 2 you don't have to use a row in a container
for apps).Ĭontainer is a pseudo-fixed-width, centred container that steps down in size as the window resizes. 1) You don't have to use a container-fluid to make the design responsiveĬontainer-fluid is a full-width, smoothly resizing container (e.g. We ran a retrospective of our first few Bootstrap-based HTML5/Javascript projects a few weeks back, and distilled some of the output into these top tips. By Matthew Adams Co-Founder 15th April 2013
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