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