body {
    font-family: Arial, sans-serif;
    background-color: #E5E8FF;
    color: #181C66;
}
a.nav-link {
    color: #E5E8FF !important;
}
a.nav-link:hover {
    color: #3BBCF7 !important;
}
header {
    background: linear-gradient(135deg, #3BBCF7, #181C66);
}
.btn-light {
    color: #181C66;
    font-weight: bold;
}