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