body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    background: #004080;
    color: white;
    padding: 20px;
}

.service {
    border: 1px solid #ddd;
    margin: 20px;
    padding: 20px;
    display: inline-block;
    width: 30%;
}

.service img {
    width: 100%;
    height: auto;
}

button {
    background: #008000;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
}

button:hover {
    background: #006600;
}

.modal {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 20px;
    width: 50%;
}

.close {
    float: right;
    cursor: pointer;
}