chrome-devtools-frontend/front_end/ui/components/floating_button/floatingButton.css

Chrome DevTools UI

/*
 * Copyright 2024 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.
 */

:host {
  width: fit-content;
  height: fit-content;
}

.floating-button {
  padding: 0;
  margin: 0;
  background: 0;
  border: 0;
  position: relative;
  width: var(--sys-size-8);
  height: var(--sys-size-8);
  background-color: var(--sys-color-surface);
  box-shadow: var(--sys-elevation-level2);
  border-radius: var(--sys-shape-corner-extra-small);
  display: flex;
  justify-content: center;
  align-items: center;

  :host-context(.theme-with-dark-background) & {
    border: 1px solid var(--sys-color-neutral-outline);
  }

  & .icon {
    width: var(--sys-size-7);
    height: var(--sys-size-7);
  }

  &:not(:disabled):hover::after,
  &:not(:disabled):hover::before {
    content: "";
    height: 100%;
    width: 100%;
    border-radius: inherit;
    position: absolute;
    top: 0;
    left: 0;
  }

  &:not(:disabled):hover::after {
    background-color: var(--sys-color-state-hover-on-subtle);
  }

  &:not(:disabled):active::before {
    background-color: var(--sys-color-state-ripple-neutral-on-subtle);
  }

  &:focus-visible {
    outline: 2px solid var(--sys-color-state-focus-ring);
    outline-offset: 2px;
  }

  &:disabled .icon {
    color: var(--sys-color-state-disabled);
  }
}