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