redux-devtools/extension/src/browser/views/includes/style.pug

style.
  html {
    height: 100%;
    width: 100%;
  }
  body {
    overflow: hidden;
    height: 100%;
    width: 100%;
    min-width: 350px;
    min-height: 400px;
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue", "Lucida Grande", sans-serif;
    font-size: 11px;
    background-color: rgb(53, 59, 70);
    color: #fff;
  }
  #root {
    height: 100%;
  }
  #root > div {
    height: 100%;
  }
  #root > div > div:nth-child(2) {
    min-height: 0;
  }
  .ReactCodeMirror {
    overflow: auto;
    height: 100%;
  }
  button:disabled {
    opacity: 0.5;
    cursor: initial !important;
  }

  @media print {
    @page {
      size: auto;
      margin: 0;
    }

    body {
      position: static;
    }

    #root > div > div:not(:nth-child(2)) {
      display: none !important;
    }

    #root > div > div:nth-child(2) {
      overflow: visible !important;
      position: absolute !important;
      z-index: 2147483647;
      page-break-after: avoid;
    }

    #root > div > div:nth-child(2) * {
      overflow: visible !important;
    }
  }