.mktoForm {
    visibility: hidden; 
    position: absolute;
 }

 .mktoForm[data-zi-managed="false"],
 .mktoForm[data-zi-managed="true"][data-zi-managed-behaviors-ready="true"]{
    visibility: visible;
    position: static;
 }
 
 .mktoForm .mktoFormRow[data-zi-managed="true"] {
    height: 0;
    max-height: 0;
    transition: max-height 200ms ease-out;
    overflow: hidden;
 }
 .mktoForm .mktoFormRow[data-zi-managed="true"][data-zi-empty="true"] {
    height: auto;
    max-height: 200px;
    transition: max-height 200ms ease-in;
 }
 .mktoForm .mktoFormRow[data-zi-managed][data-mkto-error-ready] {
    overflow: visible;
 }