main.css

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4facfe, #00f2fe, #43e97b, #f8ffae, #ff9a9e, #fbc2eb);
    background-size: 400% 400%;
    animation: gradient-animation 10s ease infinite;
    color: white;
    overflow: hidden;
}

@keyframes gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    25% {
        background-position: 50% 100%;
    }
    50% {
        background-position: 100% 50%;
    }
    75% {
        background-position: 50% 0%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Optional Glow Effect Around the Page */
body:before {
    content: "";
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 80%);
    animation: glow-animation 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glow-animation {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 0.6;
    }
}
.container{
    background: rgba(0, 0, 0, 0.7);
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    padding: 2rem;
    text-align: center;
    animation: border-glow 3s infinite alternate;
}