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