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