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