h1.guten-element.guten-gcb153, h2.guten-element.guten-gcb153, h3.guten-element.guten-gcb153, h4.guten-element.guten-gcb153, h5.guten-element.guten-gcb153, h6.guten-element.guten-gcb153 {  overflow-wrap: break-word; word-break: break-word; }