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