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