Element block pseudo-element :after generated with transition border-radius box-sizing content-box line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px float none padding 18px height auto background margin 0px border 0px rgba(0,0,0,1) solid overflow hidden position relative cursor default font-size 16px transform font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto display block