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