I entered this code into the “custom css” and it solved the problem:
.jayq-smoothness .ui-accordion .ui-accordion-content {
height: auto !important;
padding: 1em 2.2em;
border-top: 0;
margin-top: -2px;
position: relative;
top: 1px;
margin-bottom: 2px;
overflow: auto;
display: none;
zoom: 1;
}