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