Element block pseudo-element :before generated with margin 10px font-weight normal transform font-size 16px border-radius overflow hidden transition box-sizing content-box height auto border 0px rgba(0,0,0,1) solid cursor default float none line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static display block width 160px background padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto