Flexbox Center

Centrando un bloque con flexbox

by rulokc

HTML

<div class="container">
    <div class="box">BOX</div>
</div>

CSS

html, body {
    height: 100%;
}
.container {
    width: 80%;
    height: 80%;
    background-color: #eef;
    display: flex;
}
.box {
    width: 100px;
    height: 100px;
    background-color: #f00;
    margin: auto;
}