@media screen and (max-width: 719px) {
    .node-type-online-form .c-page-header > * { 
        display: block !important;
        margin: 0 auto;
    }
    
    .node-type-online-form .c-page-header h2 { 
        margin-left: 0 !important;
        margin-top: 25px;
    }
}

.node-type-online-form .field-name-body .field-items .field-item {
    text-align: center;
}