body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: white;
    margin: 0;
    padding: 0;
    color: #243443;
    text-align: left;
}

header,
footer,
nav,
section,
main,
table,
p {
    width: 600px;
    margin-left: auto;
    margin-right: auto;
}

header,
footer {
    background-color: #34495e;
    color: white;
    text-align: center;
    padding: 5px;
    margin-bottom: 5px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}

h1 {
    margin-bottom: 5px;
}

h2 {
    margin-top: 0;
    margin-bottom: 5px;
    color: #34495e;
}

section {
    background-color: white;
    border: 2px solid white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

nav {
    padding: 20px;
    background-color: white;
    border: 2px solid white;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    text-align: left;
}

.nav-links a {
    text-decoration: none;
    color: rgb(81, 81, 210);
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: black;
}

ul,
ol {
    padding-left: 5px;
    margin-top: 0;
    margin-bottom: 5px;
}

li {
    margin-bottom: 5px;
}

dl {
    margin: 0;
}

dt {
    margin-top: 5px;
}

dd {
    font-style: italic;
    color: black;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border: 2px solid white;
    border-radius: 8px;
}

thead {
    background-color: #34495e;
    color: white;
}

th,
td {
    text-align: left;
    padding: 12px 15px;
    border-bottom: 1px solid white;
}

tbody tr:hover {
    background-color: white;
}