Element block pseudo-element :after generated with background border 0px rgba(0,0,0,1) solid margin 0px text-shadow 0px 1px 0px rgba(0,0,0,0.2) box-shadow 0px 1px 1px rgba(0,0,0,0.3) transform position static display block padding 12px border-radius cursor default float left width 160px box-sizing content-box transition overflow hidden height auto font-weight normal line-height 1 font-size 12px z-index auto