body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #BBBDB1;
    margin: 0;
    padding: 0;
}

.contact-us {
    width: 85%;
    margin: 50px auto;
    background-color: #6E7A70;
    padding: 30px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

    .contact-us h1 {
        color: #fff;
        text-align: center;
        margin-bottom: 20px;
        text-shadow: 1px 1px 3px #000;
    }

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #fff;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

textarea {
    resize: none;
    height: 120px;
}

button {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 15px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}

    button:hover {
        background-color: #0056b3;
    }

.form-group span {
    color: red;
}

@media (max-width: 600px) {
    .contact-us {
        margin: 20px;
        padding: 20px;
    }

    button {
        font-size: 14px;
    }
}