How to make a textbox indistinguishable from the background?

Question

Which css should I apply to textbox that make it same as background means user does not feel like he is typing in textbox? I tried giving same background color but it still doesn't provide exact what I want. User still can feel that it's a textbox.

Answer 1

Do you mean like this?

input {
    border: 0;
    background: transparent /* the important bit */
}

Live Demo (I added a blue border on a parent element so you can see where the <input> is)
http://jsfiddle.net/eUmr2/1/ (with gradient background to more easily see the transparent)

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Appears to work in IE6: