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