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