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