third_party/devtools/front_end/emulation/deviceModeToolbar.css

/*
 * Copyright 2015 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

.device-mode-size-input {
    width: 41px;
    max-height: 18px;
    margin: 0 2px;
    text-align: center;
}

.device-mode-size-input:focus::-webkit-input-placeholder {
    color: transparent;
}

.device-mode-size-input:disabled {
    background: transparent;
    user-select: none;
    opacity: 0.6;
}

.device-mode-x {
    margin: 0 1px;
    font-size: 16px;
}

.device-mode-empty-toolbar-element {
    width: 0;
}