- 
    Type:Bug 
- 
    Resolution: Fixed
- 
    Priority:Normal 
- 
    Affects Version/s: 5.4.0
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    Component/s: None
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    None
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        None
Steps to Reproduce
    <radiogroup id="useCases" orient="vertical">
        <radio label="Show input/output only" value="multiple" selected="true"/>
        <radio label="Show all intermediate calculation" value="single"/>
    </radiogroup>
    <checkbox checked="true"/>
    <textbox/>
1. include zkmax.jar
2. visit the page with Safari or Chrome of iPad 12 ~ 14, safari on iPhone (ios 13.7), iceblue/iceblue_c theme
Current Result
  
 
there is a dark shadow inside some input elements
Expected Result
no dark shadow inside input elements
  
 
Debug Information
- https://www.abeautifulsite.net/how-to-remove-box-shadows-from-input-controls-on-ios
- in _norm.less,
 input[type="radio"] { -webkit-appearance: radio; ... }input[type="checkbox"] { -webkit-appearance: checkbox; }In zk tablet.css.dsp 
input, input:focus, textarea, textarea:focus
{ -webkit-appearance: none; ... }Workaround
input
{ -webkit-appearance: none !important; }