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