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