body {
    margin: 50px;
    font-family: Arial, sans-serif;
    background-color: #dddddd;
    color: #333333;
}

header {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 20px;
}

footer {
    text-align: center;
    padding: 10px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: auto;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: #000000;
}

nav {
    width: 100%;
    background-color: orangered;
    overflow: auto;
    text-transform: lowercase;
    font-weight: bold;
}

#theme {
    float: right;
}

nav a {
    text-decoration: none;
    float: left;
    text-align: center;
    width: auto;
    padding: 14px 16px;
    transition: all 0.3s ease;
    color: whitesmoke;
    font-size: 24px;
}

nav a:hover {
    background-color: rgb(255, 143, 102); 
}

.active {
    background-color: rgb(255, 143, 102);
}

h1 {
    font-size: 36px;
    text-align: center;
    color: orangered;
}