#zeitraum {
  position: fixed;
  left: 0;
  width: 50px;
  height: 90vh;
  padding-top: 5vh;
  padding-bottom: 5vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

#zeitraum-streifen {
  position: relative;
  width: 6px;
  height: 100%;
  background: #ccc;
  border-radius: 3px;

  left: 50%;
  transform: translateX(-50%);
}

.zeitraum-streifen-text {
  font-size: 12px;
  color: #555;
  white-space: nowrap;
}

.zeitraum-knopf {
  position: absolute;
  left: -25px;
  background: #008cff;
  border-radius: 6px;
  cursor: pointer;
  user-select: none;

  padding: 4px 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  white-space: nowrap;
}

#auswahl-bereich {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  background: #008cff;
  border-radius: 3px;
  pointer-events: none;
}