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