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