.contact-form {
    max-width: 1170px;
    margin-left: auto;
    margin-right: auto;
    padding: 1em;
    display: block;
    color: black;
}

h2 {
    justify-content: center;
    text-align: center;
}

.container5 {
    background-color: #697e83;
}


.btn {
    width: 250px;
    height: 250px;
    background: gray;
    text-align: center;
    line-height: 50px;
    text-transform: uppercase;
    margin: 0 auto;
    cursor: pointer;
    border-radius: 5px;
}

/* Responsive layout - when the screen is less than 600px wide, make the two columns stack on top of each other instead of next to each other */

@media screen and (max-width: 600px) {
    .col-25, .col-75, input[type=submit] {
        width: 100%;
        margin-top: 0;
    }
}