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<div data-i2="fontSize:['10px','30px']"> 
    <span data-i2="rate:3">A</span>
    <span data-i2="rate:2">B</span>
    <span data-i2="rate:1">C</span>
</div>
<div data-i2="fontSize:[10,30]"> 
    <span data-i2="rate:3">A</span>
    <span data-i2="rate:2">B</span>
    <span data-i2="rate:1">C</span>
</div>
i2.emph();