venv/lib/python3.12/site-packages/jupyter_server/static/style/index.css

#jupyter_server {
  padding-left: 0px;
  padding-top: 1px;
  padding-bottom: 1px;
}

#jupyter_server img {
  height: 28px;
}

#jupyter-main-app {
  padding-top: 50px;
  text-align: center;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.42857143;
  color: #000;
}

body > #header {
  display: block;
  background-color: #fff;
  position: relative;
  z-index: 100;
}

body > #header #header-container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  padding: 5px;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-bottom: 5px;
  padding-top: 5px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

body > #header .header-bar {
  width: 100%;
  height: 1px;
  background: #e7e7e7;
  margin-bottom: -1px;
}

.navbar-brand {
  float: left;
  height: 30px;
  padding: 6px 0px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-left: 0px;
  font-size: 17px;
  line-height: 18px;
}

.navbar-brand,
.navbar-nav > li > a {
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
}

.nav {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.center-nav {
  display: inline-block;
  margin-bottom: -4px;
}

div.error {
  margin: 2em;
  text-align: center;
}

div.error > h1 {
  font-size: 500%;
  line-height: normal;
}

div.error > p {
  font-size: 200%;
  line-height: normal;
}