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