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