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