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