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