body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

header {
    text-align: center;
    padding: 10px;
    background-color: #f0f0f0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: inline;
    margin-right: 20px;
}

main {
    margin-top: 20px;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #f0f0f0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.property {
    margin-bottom: 20px;
}

.property img {
    max-width: 50%;
    height: auto;
}