body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #000000; 
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: linear-gradient(to left, #9b7272, #ebc8c8);
    box-sizing: border-box;
}

header {
    text-align: center;
    padding: 20px 0;
    background-color: #000000; 
    color: white;
    border-radius: 8px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
    font-size: 3rem;
    font-weight: 700;
    text-transform: uppercase;
}

h2 {
    color: #ff1900; 
    margin-top: 30px;
    border-bottom: 2px solid #ff1900;
    padding-bottom: 10px;
    font-size: 1.8rem;
}

.pre-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

pre {
    background-color: #ffffff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    border-left: 4px solid #ff1900;
    margin-bottom: 20px;
}

code {
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
}

.example-box {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.demo-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}




@keyframes changeColor {
    0% { background-color: #9b59b6; }
    50% { background-color: #e74c3c; }
    100% { background-color: #9b59b6; }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    h1 {
        font-size: 2rem;
    }
    .pre-container {
        gap: 10px;
    }
    .demo-container {
        grid-template-columns: 1fr;
    }
}