Source/WebInspectorUI/UserInterface/Views/Popover.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.
 */

.popover {
    position: absolute;
    min-width: 20px;
    min-height: 20px;
    box-sizing: border-box;
    pointer-events: none;
    z-index: var(--z-index-popover);

    --popover-background-color: var(--panel-background-color);
    --popover-border-color: hsla(0, 0%, 0%, 0.25);
    --popover-shadow-color: hsla(0, 0%, 0%, 0.5);

    background-image: -webkit-canvas(popover);
}

.popover.arrow-up {
    padding: 16px 5px 5px 5px;
}

.popover.arrow-right {
    padding: 5px 16px 5px 5px;
}

.popover.arrow-down {
    padding: 5px 5px 16px 5px;
}

.popover.arrow-left {
    padding: 5px 5px 5px 16px;
}

.popover.fade-out {
    transition: opacity 350ms;
    pointer-events: none;
    opacity: 0;
}

.popover p {
    margin: 0.2em 0;
}

.popover p + p {
    margin-top: 0.5em;
}

.popover > .container {
    position: absolute;
    left: 5px;
    top: 5px;
    right: 5px;
    bottom: 5px;

    padding: 5px;

    overflow-y: auto;
    overflow-x: hidden;

    pointer-events: auto;
}

.popover > .container.center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.popover.arrow-up > .container {
    top: 16px;
}

.popover.arrow-right > .container {
    right: 16px;
}

.popover.arrow-down > .container {
    bottom: 16px;
}

.popover.arrow-left > .container {
    left: 16px;
}