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