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