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