That’s by design of CSS — Cascading Style Sheet. It means that, if you apply two rules that collide to the same elements, it will choose the last one that was declared, unless the first one has the !important marker or is more specific (e.g. html > body vs just body, the latter is less … Read more
You can do this using pure CSS; no JavaScript needed. This utilizes the (somewhat counterintuitive) fact that padding-top percentages are relative to the containing block’s width. Here’s an example: .wrapper { width: 50%; /* whatever width you want */ display: inline-block; position: relative; } .wrapper:after { padding-top: 56.25%; /* 16:9 ratio */ display: block; content: … Read more
Here is the demo and the repositery for the responsive grid of hexagons. The code here isn’t maintained. It was moved to github and improved so comments, issue reporting and contributions should be made there. This technique uses : the <img> tag an unordered list : each hexagon is contained in a <li> tag and … Read more
2018 UPDATE Bootstrap 4 Changing the navbar breakpoint is easier in Bootstrap 4 using the navbar-expand-* classes: <nav class=”navbar fixed-top navbar-expand-sm”>..</nav> navbar-expand-sm = mobile menu on xs screens <576px navbar-expand-md = mobile menu on sm screens <768px navbar-expand-lg = mobile menu on md screens <992px navbar-expand-xl = mobile menu on lg screens <1200px navbar-expand = … Read more
You can use the viewport value instead of ems, pxs, or pts: 1vw = 1% of viewport width 1vh = 1% of viewport height 1vmin = 1vw or 1vh, whichever is smaller 1vmax = 1vw or 1vh, whichever is larger h1 { font-size: 5.9vw; } h2 { font-size: 3.0vh; } p { font-size: 2vmin; } … Read more
If you want the same image to scale based on the size of the browser window: background-image:url(‘../images/bg.png’); background-repeat:no-repeat; background-size:contain; background-position:center; Do not set width, height, or margins. EDIT: The previous line about not setting width, height or margin refers to OP’s original question about scaling with the window size. In other use cases, you may … Read more
Browsers are getting smarter. Today your browser (depending on the version) might skip the image loading if it can determine it’s not useful. The image has a display:none style but its size may be read by the script. Chrome v68.0 does not load images if the parent is hidden. You may check it there : … Read more
You can make responsive grid of squares with vertically and horizontally centered content only with CSS. I will explain how in a step by step process but first here are 2 demos of what you can achieve: Grid of square images Grid of squares with content Now let’s see how to make these fancy responsive … Read more
Here is a technique to align inline elements inside a parent, horizontally and vertically at the same time: Vertical Alignment 1) In this approach, we create an inline-block (pseudo-)element as the first (or last) child of the parent, and set its height property to 100% to take all the height of its parent. 2) Also, … Read more
[Update: Although I discovered this trick independently, I’ve since learned that Thierry Koblentz beat me to it. You can find his 2009 article on A List Apart. Credit where credit is due.] I know this is an old question, but I encountered a similar problem that I did solve only with CSS. Here is my … Read more