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