.headerbutton {
  border: none;
  border-radius: 8px;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  display: flex;
  font-size: 16px;
  margin: 4px 2px;
  padding-left: 0.3cm;
  padding-right: 0.3cm;
  cursor: pointer;
  height: 35px;
  transition-duration: 0.2s;
}

.topbar {
  position: fixed;
  width: 100%;
  top: 0px;
  left: 0px;
  z-index: 10;
}

.topbar-group {
  display: flex;
  justify-content: space-between;
  margin-left: 1cm;
  margin-right: 1cm;
}

.simple-topbar {
  position: fixed;
  width: 100%;
  height: 1.2cm;
  top: 0px;
  left: 0px;
  z-index: 10;
}

.simple-topbar-backbutton {
  position: absolute;
  border-radius:10px;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  display: grid;
  font-size: 14px;
  cursor: pointer;
  margin: 0.1cm;
  transition-duration: 0.2s;
  width: 1cm;
  height: 1cm;
}

@media only screen and (max-width: 750px) {
  .topbar-group {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-left: 0cm;
    margin-right: 0cm;
  }

  .headerbutton {
    border: none;
    border-radius: 8px;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    display: flex;
    font-size: 14px;
    margin: 4px 2px;
    padding-left: 0.2cm;
    padding-right: 0.2cm;
    cursor: pointer;
    height: 35px;
    transition-duration: 0.2s;
  }

}
@media (prefers-color-scheme: light) {

  .headerbutton {
    color: black;
  }

  .headerbutton:hover {
    background-color: #fafafa;
  }

  .topbar {
    background-color: rgba(255, 255, 255, 1);
    border: 1px solid rgba(224, 224, 224, 1);
    color: #000000;
  }

  .simple-topbar {
    background-color: rgba(255, 255, 255, 1);
    border: 1px solid rgba(224, 224, 224, 1);
    color: #000000;
  }

  .simple-topbar-backbutton {
    color: black;
  }

  .simple-topbar-backbutton:hover {
    background-color: #DEDEDE;
  }

}

@media (prefers-color-scheme: dark) {

  .headerbutton {
    color: #ffffff;
  }

  .headerbutton:hover {
    background-color: #4a4a4a;
  }

  .topbar {
    background-color: #303030;
    border: 1px solid #1f1f1f;
    color: #ffffff;
  }

  .simple-topbar {
    background-color: #303030;
    border: 1px solid #1f1f1f;
    color: #ffffff;
  }

  .simple-topbar-backbutton {
    color: #ffffff;
  }

  .simple-topbar-backbutton:hover {
    background-color: #3e3e3e;
  }
}