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