.input-group .input-group-addon {
    width: 16em !important;
    text-align: left;
}

.input-group {
    border: 1px solid #ddd;
    width: 100% !important;
}

.input-group .form-control {
    float: none;
    width: 100% !important;
}

.form-control {
    color: #333333 !important;
    opacity: 1;
}