Element block pseudo-element :before generated with line-height 1 padding 20px transform transition overflow hidden position static height auto border 0px rgba(0,0,0,1) solid background border-radius font-size 16px float none z-index auto margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 12px box-sizing content-box cursor default font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block