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