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