body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
    background: #2b8e70;
}
.container {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.lang-select {
    margin-bottom: 20px;
}
.lang-select button {
    margin-right: 10px;
    padding: 8px 16px;
    border: none;
    background: #0078d4;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
}
.lang-select button:hover {
    background: #005fa3;
}
h1 {
    color: #0078d4;
}
ul {
    margin-bottom: 20px;
}
.section-title {
    font-weight: bold;
    margin-top: 20px;
    color: #333;
}