Element block pseudo-class :active generated with background box-sizing content-box opacity 1 margin 0px line-height 1 display block cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition outline none padding 20px height 0% transform border 0px rgba(0,0,0,1) solid overflow hidden font-weight normal border-radius width 100% float none position static