header{background:#BDE5FE;border-bottom:2px solid #3e4095;}
a{color:#020153;}
header nav li,
header nav a{color:#020153;}
input ~ .bar:before,
button, .button {background:#3e4095}
fieldset input:focus ~ label,
fieldset input:valid ~ label,
fieldset input:valid:not(:focus):not(:placeholder-shown) ~ label{color:#3e4095;}