Element block pseudo-class :active generated with font-weight normal background overflow hidden width 160px transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none cursor default border 0px rgba(0,0,0,1) solid height auto padding 20px position static display block transform font-size 16px margin 0px z-index auto box-sizing content-box line-height 1