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