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