Enable Text Wrapping For Drop Down List

You will first need to upload the stylesheet to Decisions. Please choose Add → Document at Manage → Configuration → Templates → CSS folder to add this stylesheet to Decisions. (Unzip prior to upload)

Navigate to the form in question and apply the CSS to the form in the properties tab under STYLE. Still in the form designer, choose the drop down form control. Open the properties tab and find VIEW → Css Classes → DropDownList Css Class and choose dropdownlist_wordwrap.