body {
    font-family: helvetica, arial, sans-serif;
    font-size: 1em;
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
}
main, footer {
    padding: 0 15px;
}

#logo {
    text-align: center;
}

header {
    background-color: #263248;
}

header h1 {
    margin: 0;
}

header h1 a {
    color: #ffffff;
    text-decoration: none;
}

nav ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

nav ul li {
    border-bottom: 1px solid #cccccc;
    padding: 5px;
}

nav ul li a {
    display: inline-block;
    width: 100%;
    font-weight: bold;
    text-decoration: none;
    color: #ffffff;
    padding: 8px 0;
}
.resize-img {
    width: 50%;
    height: auto;
}

section {
    width: 50%;
}

footer {
    border-top: 1px solid #ccc;
    margin: 20px 10px 10px 0;
    font-size: 0.8em;
    text-align: center;
    font-style: italic;
}

form {
    width: 100%;
    padding: 12px 20x;
    margin: 8px 0;
    box-sizing: border-box;
}