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