CSS-Snippets

Absolute Zentrierung

your-selector {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate3d(-50%, -50%, 0);
}

Hintergrund über ganze Seite

your-selector {
  background: url({background image url}) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

"Always bottom"-Footer

html {
  height: 100%;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  position: relative;
  margin: 0;
  padding-bottom: 6rem;
  min-height: 100%;
}

footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  background-color: #efefef;
  text-align: center;
}