Element block pseudo-element :before generated with box-sizing border-box font-weight normal z-index auto padding 10px height auto width 400px overflow hidden border-radius line-height 1 float none transition border 1px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) background display block cursor default font-size 16px box-shadow margin 10px position static transform