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