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