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