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