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