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