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