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