:root {
    --color1: #1d4161;
    --color2: #ffffff;
    --color3: #1d4161;
    --color4: #d7ecff;
    --color5: #000000;
}

.alert-info {
    color: #ffffff;
    background: #1d4161;
    border-color: #1d4161;
    border: 2px solid #1d4161;
}

form {
    border: 2px solid #1d4161;
    border-radius: 4px;
    padding: 20px;
    margin: 20px auto;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}