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