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