body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}
header {
    background: #007bff;
    color: white;
    padding: 2em;
    text-align: center;
}
form {
    margin-top: 1em;
}
form select, form input, form button {
    padding: 0.5em;
    margin: 0.5em;
}
main {
    padding: 2em;
}
.property-grid {
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
    justify-content: center;
}
.property-grid article {
    background: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 250px;
    text-align: center;
}
.property-grid img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1em;
}