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