chamilo-lms/main/css/base.css

/**
 * Common CSS for all themes
 */
input[type="text"]:focus, input[type="password"]:focus, textarea:focus {
    border: 1px solid #849FB3;
    box-shadow: 0 0 5px #C9D2D9;
	background-image:none;
	background-color:white;
}