body {
    background-color: #f8f9fa;
}
.container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}
.container header h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
}
.container footer p {
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}
.highlight {
    background-color: #4CAF50;
    color: white;
    padding: 0.2rem 0.5rem;
}
.checkbox-dropdown {
    display: inline-block;
    position: relative;
}
.checkbox-dropdown button {
    width: 100%;
}
.checkbox-dropdown-list {
    display: none;
    position: absolute;
    z-index: 1;
    background-color: white;
    border: 1px solid #ccc;
    padding: 10px;
    max-height: 200px;
    overflow-y: auto;
    width: 100%;
}
.checkbox-dropdown.show .checkbox-dropdown-list {
    display: block;
}
.logo-title {
    text-align: center;
    margin-bottom: 30px;
}