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