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