body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    max-width: 960px;
    margin: auto;
    padding: 20px;
    background: #f4f4f4;
    color: #222;
}

h1,
h2,
h3 {
    color: #1a1a1a;
    margin-top: 30px;
}

section {
    margin-bottom: 40px;
    border-bottom: 1px solid #ccc;
    padding-bottom: 20px;
}

pre {
    background: #efefef;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    background-color: #e1e1e1;
    padding: 2px 5px;
    border-radius: 3px;
}

.demo-area {
    border: 2px dashed #ccc;
    padding: 20px;
    margin-top: 20px;
}

.green,
.pink,
.blue {
    padding: 20px;
    margin: 10px;
    text-align: center;
    cursor: pointer;
}

.green {
    background-color: #90EE90;
}

.pink {
    background-color: #FFB6C1;
}

.blue {
    background-color: #87CEEB;
}

.console {
    background: #2d2d2d;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    min-height: 100px;
    margin-top: 10px;
}

button {
    padding: 10px 20px;
    margin: 10px 0;
    cursor: pointer;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
}

button:hover {
    background-color: #0056b3;
}


table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table,
th,
td {
    border: 1px solid #ccc;
}

th,
td {
    padding: 10px;
    text-align: left;
}

th {
    background: #ddd;
}