body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            color: #333;
        }

        h1 {
            color: #fff;
            font-size: 50px;
        }

        #header {
            margin: 0 auto;
            padding: 2em;
            width: auto 800px;
            background: #333;
            text-align: center;
            border-radius: 10px;
            position: relative;
            top: 10px;
        }

        @property --angles {
            syntax: '<angle>';
            inherits: false;
            initial-value: 0deg;
        }

        #header::after, #header::before {
            content: '';
            position: absolute;
            height: 100%;
            width: 100% ;
            background-image: conic-gradient(from var(--angles), #00bbff, #ff8400, #d9ff00, #00bbff);
            top: 50%;
            left: 50%;
            translate: -50% -50%;
            z-index: -1;
            padding: 3px;
            border-radius: 10px;
            animation: 3s spin linear infinite;
        }
        #header::before {
            filter: blur(10px);
            opacity: 0.9;
        }

        @keyframes spin {
            from {
                --angles: 0deg;
            }
            to {
                --angles: 360deg;
            }
        }

        p {
            font-size: 16px;
            line-height: 1.5;
        }

        #grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 3px;
            padding: 15px;
        }

        #box {
            margin-top: 20px;
            background-color: black;
            border-radius: 5px;
            height: 135px;
            width: 245px;
            background-size: cover;
            border: rgb(255, 255, 255) 5px solid;
        }