css - how to make the entire form (input and submit button) change border color on focus (bootstrap 3) -


i using bootstrap 3 , trying make entire form (input field , button), change border color on focus. meaning, if click in input field, entire border of button should change colors, not border of input field. make sense?

here code:

<form class="form-inline" role="form">  <div class="input-group"> <input class="form-control" type="text"> <span class="input-group-btn"> <button class="btn btn-default" type="button">search</button> </span> </div>  </form>

and css:

.form-control:focus {     border-color:#1abc9c;     box-shadow:none; }

the problem ...it changes colors of input field, not button, unless clicks button. how make change colors both @ same time?

fiddle: http://jsfiddle.net/cbgpp/

use adjacent sibling selector css looks this:

.form-control:focus, .form-control:focus + span .btn{     border-color:#1abc9c;     box-shadow:none; }

it's supported in major browsers including ie7+.

here working: http://jsfiddle.net/cbgpp/2/


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