/*body {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-family: Vazirmatn, sans-serif;
    overflow: hidden;
}*/

.error-code {
    font-size: 150px;
    font-weight: bold;
    animation: float 3s ease-in-out infinite;
    text-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

button {
    border-radius: 30px;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.1);
}