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