I only want words with a width superior than the container width to break BUT without line-break first like with word-wrap: break-word; because ... ... <看更多>

An alias of css/properties/overflow-wrap, word-wrap defines whether to break words when the content exceeds the boundaries of its container. ... <看更多>

I tried to apply a fixed width and a word-break css on the first column ... Have a look at css property "word-wrap: break-word;" – dompdf ... ... <看更多>

We can now use overflow-wrap to control how words break – and combine that with hyphens to make wrapped ... ... <看更多>

Adding white-space: normal appears to fix it: #tooltip:hover .tooltiptext { white-space: normal; visibility: visible; word-wrap:break-word; ... ... <看更多>