Element block pseudo-class :active generated with width 160px transition transform overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box margin 0px background text-shadow 5px 3px 3px rgba(0,0,0,0.2) float none padding 20px height auto border 0px rgba(0,0,0,1) solid font-size 16px position static line-height 1 z-index auto display block cursor default border-radius font-weight normal