* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-image: url('https://source.unsplash.com/1920x1080/?nature'); /* Free image URL */
    background-size: cover;
    background-position: center;
    color: #fff; /* Change text color for better contrast */
}

header {
    background: rgba(51, 51, 51, 0.8); /* Semi-transparent background */
    padding: 10px 20px;
    display: flex;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

nav {
    margin-left: auto; /* Moves the nav to the right */
}

.menu {
    list-style: none;
    display: flex;
    flex-direction: column; /* Align menu vertically */
}

.menu li {
    position: relative;
}

.menu a {
    color: #fff;
    text-decoration: none;
    padding: 15px;
    display: block;
}

.menu a:hover {
    background: #555;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #444;
    list-style: none;
    padding: 10px 0;
    z-index: 1000;
}

.submenu li a {
    padding: 10px 15px;
}

.menu li:hover .submenu {
    display: block;
}

main {
    padding: 20px;
    background: rgba(0, 0, 0, 0.6); /* Semi-transparent background for main content */
}

footer {
    text-align: center;
    padding: 10px;
    background: rgba(51, 51, 51, 0.8);
    color: #fff;
    position: relative;
    bottom: 0;
    width: 100%;
}