sonyoss-vita-webkit/Source/WebInspectorUI/UserInterface/RadioButtonNavigationItem.css

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

.navigation-bar .item.radio.button:not(.text-only) {
    width: 32px;
}

.navigation-bar.collapsed .item.radio.button:not(.text-only) {
    width: 24px;
}

.navigation-bar .item.radio.button.text-only.selected {
    background-repeat: no-repeat;
    background-image: -webkit-linear-gradient(top, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.09) 12%, rgba(0, 0, 0, 0.06) 12%, transparent), -webkit-linear-gradient(top, rgba(0, 0, 0, 0.45), transparent),
        -webkit-linear-gradient(top, rgba(0, 0, 0, 0.45), transparent);
    background-size: 100% 100%, 1px 100%, 1px 100%;
    background-position: left top, left top, right top;

    font-weight: bold;
}