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