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