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