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