body {
    margin: 0;
    font-family: sans-serif;
    background-color: #f4f4f4;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav {
    background-color: #34495e;
    display: flex;
    gap: 30px;
    padding: 10px 30px;
    position: relative;
}

.menu-item {
    position: relative;
}

.menu-item > a {
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    display: inline-block;
    border-radius: 4px;
}

.menu-item > a:hover {
    background-color: #1abc9c;
}

.submenu {
    display: none;
    position: absolute;
    top: 38px;
    left: 0;
    background-color: #2c3e50;
    border-radius: 0 0 4px 4px;
    min-width: 160px;
    z-index: 1000;
}

.submenu a {
    display: block;
    padding: 10px;
    color: white;
    text-decoration: none;
}

.submenu a:hover {
    background-color: #1abc9c;
}

.menu-item:hover .submenu {
    display: block;
}

.content {
    padding: 30px;
}