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