Element block pseudo-element :after generated with border-radius transition border 0px rgba(0,0,0,1) solid float left width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px overflow auto transform position static background box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto height auto box-sizing content-box margin 6px font-weight normal font-size 16px display block cursor default line-height 1