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