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