I have a ‘+’ and ‘-‘ button in my page. On clicking ‘+’ I

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Asked: June 6, 20262026-06-06T18:58:42+00:00 2026-06-06T18:58:42+00:00

I have a ‘+’ and ‘-‘ button in my page. On clicking ‘+’ I

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I have a ‘+’ and ‘-‘ button in my page. On clicking ‘+’ I need to increase font size by 10px, again onclick will increase size by 12. Same way for ‘-‘ it decrements. How can I write css class for that?

<ul id="box">
    <li><a title="t1" id="SizePlus" href="#"></a></li>
    <li><a title="t2" id="SizeMinus" href="#"></a></li>
</ul> 

#box
{
list-style-type: none;
display: block;
clear: both;
}

#box li a 
{
display: block;
float: left;
width: 25px;
height: 25px;
margin: 0px 10px 0px 0px;
text-indent: -10000px;
}