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