/* 1. Element name selector */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 40px;
}

/* 2. ID selector (matches id="main-header" in HTML) */
#main-header {
    color: #b30000; /* Dark Red */
    text-align: center;
    border-bottom: 2px solid #333;
}

/* 3. Class name selector (matches class="properties-list" in HTML) */
.properties-list {
    background-color: white;
    padding: 20px 40px;
    border: 1px solid #ccc;
    border-radius: 8px;
}