Użyj:
word-break: break-all;
break-all
To prevent overflow, word may be broken at any character
break-word
To prevent overflow, word may be broken at arbitrary points
/* Syntax: word-break Keyword values */
word-break: normal;
word-break: break-all;
word-break: keep-all;
word-break: break-word; /* deprecated */
<style>
* {
margin: 5px;
}
div {
word-break: break-all;
}
</style>
<body>
<div>sdgsdsdsfsdfsdfsdfsdfdfssdfsdfsdfsdfsdfsdfsfsdfsdfsdfsdfsgggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggdfsdfsdfdsfsdfsdfsfsdhhhhhhhhhhhhhhhhhhhhhhkuuuuuuuuuuueeeeeeeeeeeeeeeepsa;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;'''''''''''''''''''''dfsdfsfsdfsfsdfdsfsdfsdfttttttttttttttttttttttttttttttttdsfsfs</div>
</body>
[ word-break css ] [ overflow-wrap css ]