Purpose of memory alignment

The memory subsystem on a modern processor is restricted to accessing memory at the granularity and alignment of its word size; this is the case for a number of reasons. Speed Modern processors have multiple levels of cache memory that data must be pulled through; supporting single-byte reads would make the memory subsystem throughput tightly … Read more

How to align 3 divs (left/center/right) inside another div?

With that CSS, put your divs like so (floats first): <div id=”container”> <div id=”left”></div> <div id=”right”></div> <div id=”center”></div> </div> P.S. You could also float right, then left, then center. The important thing is that the floats come before the “main” center section. P.P.S. You often want last inside #container this snippet: <div style=”clear:both;”></div> which will … Read more

How to center an element horizontally and vertically

Approach 1 – transform translateX/translateY: Example Here / Full Screen Example In supported browsers (most of them), you can use top: 50%/left: 50% in combination with translateX(-50%) translateY(-50%) to dynamically vertically/horizontally center the element. .container { position: absolute; top: 50%; left: 50%; -moz-transform: translateX(-50%) translateY(-50%); -webkit-transform: translateX(-50%) translateY(-50%); transform: translateX(-50%) translateY(-50%); } <div class=”container”> <span>I’m … Read more

Best way to center a on a page vertically and horizontally? [duplicate]

The best and most flexible way The main trick in this demo is that in the normal flow of elements going from top to bottom, so the margin-top: auto is set to zero. However, an absolutely positioned element acts the same for distribution of free space, and similarly can be centered vertically at the specified … Read more

What’s the difference between align-content and align-items?

The align-items property of flex-box aligns the items inside a flex container along the cross axis just like justify-content does along the main axis. (For the default flex-direction: row the cross axis corresponds to vertical and the main axis corresponds to horizontal. With flex-direction: column those two are interchanged respectively). Here’s an example of how … Read more