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