/************************* Contribute *************************/
.contribute_opening {
    margin: 60px auto 50px auto;
}

.contribution_form {
    width: 450px;
    margin: 0 auto;
}

.contribution_form .button {
    margin: 25px 0 60px 0;
    width: 100%;
}

@media (max-width: 600px) {
    .contribution_form {
        width: 100%;
    }
}