on an iPhone web application: how do I disable the rectangle that appears around a DIV when a user touches and holds it?

I've tried setting

-webkit-user-select: none

and

selectstart

An开发者_运维知识库d it did remove the selector, but a rectangle still appears..

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If you mean the rectangle that appears on a link when you click it, then you can use this css rule to define the color and alpha of the rectangle. Use an alpha value of 0 to make it invisible:

-webkit-tap-highlight-color: rgba(0,0,0,0);

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In your CSS for the DIV, try using the outline property.

div.no-border {
    outline: none;
}