body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}
header {
    background: #35424a;
    color: #ffffff;
    padding: 20px 0;
    text-align: center;
}
nav {
    background: #35424a;
    color: #ffffff;
    padding: 10px 10px 0.2rem 10px;
}
nav ul {
    list-style: none;
    padding: 0;
}
nav a:hover {
    background-color: #555;
}
nav ul li {
    display: inline;
    margin-right: 20px;
}
nav ul li a {
    color: #ffffff;
    text-decoration: none;
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
}

.maincontent {
    background: #ffffff;
    padding: 20px;
    margin-top: 20px;
    border-radius: 5px;
    color: black;

}


footer {
    background: #35424a;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    bottom: 0;
    width: 80%;
    position: fixed;
}