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