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