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