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