#edit-field-tags--wrapper .fieldset-wrapper {
  overflow-y: auto;
  background: lightyellow;
  padding: 15px 0 0 20px;
  max-height: 300px;
}

#edit-field-tags--wrapper .fieldset-wrapper:hover{
  overflow-y: scroll !important;
}



.field--name-field-dynamic-tags fieldset .fieldset-wrapper{
  overflow-y: auto;
  background: lightyellow;
  padding: 15px 0 0 20px;
  max-height: 200px;
}

.field--name-field-resource-url fieldset legend{
  display: none;
}