*{box-sizing: border-box;}

body {background-color: #eaeaea;
         color: #666666;
         font-family: Arial, helvetica, sans-serif;}

header {background-color: #002171;
        color: #ffffff ;}

h1 {margin-bottom: 0;}

nav {background-color: #bbdefb;}

h2 {color: #1976d2;}

dt {color: #002171;}

.contacts {color: #1976d2;}