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