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