div .trennspalt {
-moz-column-count: 3;
-moz-column-gap: 20px;
-webkit-column-count: 3;
-webkit-column-gap: 20px;
-o-column-count: 3;
-o-column-gap: 20px;
-ms-column-count: 3;
-ms-column-gap: 20px;
-moz-column-rule: 2px solid red;
-webkit-column-rule: 2px solid red;
-o-column-rule: 2px solid red;
-ms-column-rule: 2px solid red;