css selectors - How to target CSS class names that start with digit -

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i have list class want apply top margin - seems syntax invalid css. don't think likes 1200mm-x-4700mm section.

i cannot rename list class automatically generated. there way around allow me apply css styling?

<li class="max-panel-size 1200mm-x-4700mm">...</li> 
li.max-panel-size.1200mm-x-4700mm {     margin-top: 20px; }

in html5, css class names can contain (and start with) character. however, in order target fancy css class names inside css files (or javascript functions) you need escape them.

li.max-panel-size.\31 200mm-x-4700mm {    background: #f00;  }  li.max-panel-size.\31 111mm-x-1111mm {    background: #0f0;  }  li.max-panel-size.\39 999mm-x-9999mm {    background: #00f;  }
<ul>    <li class="max-panel-size 1200mm-x-4700mm">test 1</li>    <li class="max-panel-size 1111mm-x-1111mm">test 2</li>    <li class="max-panel-size 9999mm-x-9999mm">test 3</li>  </ul>

you use css2 [att~=val] selector well.


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