Element block pseudo-class :active generated with margin 0px cursor default padding 20px float none box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px overflow hidden border 5px rgba(255,0,0,1) solid height auto border-radius line-height 1 position static width 160px background transition font-weight normal display block transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto