body {
    font-family: Arial, sans-serif;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 800 400'%3E%3Cdefs%3E%3CradialGradient id='a' cx='396' cy='281' r='514' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23D18'/%3E%3Cstop offset='1' stop-color='%23330000'/%3E%3C/radialGradient%3E%3ClinearGradient id='b' gradientUnits='userSpaceOnUse' x1='400' y1='148' x2='400' y2='333'%3E%3Cstop offset='0' stop-color='%23FA3' stop-opacity='0'/%3E%3Cstop offset='1' stop-color='%23FA3' stop-opacity='0.5'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect fill='url(%23a)' width='800' height='400'/%3E%3Cg fill-opacity='0.4'%3E%3Ccircle fill='url(%23b)' cx='267.5' cy='61' r='300'/%3E%3Ccircle fill='url(%23b)' cx='532.5' cy='61' r='300'/%3E%3Ccircle fill='url(%23b)' cx='400' cy='30' r='300'/%3E%3C/g%3E%3C/svg%3E");
    background-attachment: fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #fff; /* White container */
    padding: 40px;
    border-radius: 5px;
    box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1); /* Subtle shadow */
    text-align: center;
}

h2 {
    color: #333; /* Dark grey for text */
}

.form-group {
    margin: 10px 0;
    text-align: left;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc; /* Light grey border */
    border-radius: 3px;
    font-size: 16px;
}

span {
    color: #007bff; /* Blue for important notes */
    font-weight: bold; /* Use font-weight for bold text */
    font-size: 20px;
}

button {
    background-color: #007bff; /* Blue button */
    color: #fff; /* White text on button */
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #0056b3; /* Darker blue on hover */
}