Have you looked at your Display Settings recently? Here's some CSS I'm using....

li.inline,        .inline-list li { display: inline; margin-left: 0pt;
+ }
li.inline:before, .inline-list li:before  { content: ""    }
li.inline:after,  .inline-list li:after   { content: ","   }
ul.inline-list { display: inline; margin: 0; padding: 0; list-style: n
+one; }
.code { overflow: auto; }
textarea { width: 100%; height: 25em; }
table.user-settings, 
.user-settings textarea { width: 100%; }
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