body {
    font-family: "Optima", sans-serif;
    font-size: 16px;
    margin: 20px 10% 0 10%;
    width: 80%;
    background-color: lightblue;
}
  
.header {
    background-image: url("cropped-img_2723.jpg");
    padding: 20px;
    text-align: left;
    height: 250px;
}

.topnav {
    overflow: hidden;
    background-color: #333;
}

.topnav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
  
.topnav a:hover {
    background-color: #ddd;
    color: black;
}

.main {
    padding: 15px;
    background-color: whitesmoke;
}

.row:after {
    content: "";
    display: table;
    clear: both;
}

.footer {
    font-size: 12px;
    background-color: #333;
    overflow: hidden;
}

.footer a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.footer a:hover {
    background-color: #ddd;
    color: black;
}

.floatright {
    float: right;
    padding-top: 25px;
}