main {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background-color: lightgrey;
}

h1 {
  font-family: 'Verdana', 'sans-serif';
  font-weight: normal;
  font-style: normal; 
  font-size: 42pt;
  margin-bottom: 12px;
}

.bar {
  fill: #003b6f;
}

.bar.selected {
  fill: #a6b8c7;
}

#vis_input {
  background-color: lightsteelblue;
  display: flex;
  padding: 16px;
  margin-bottom: 8px;
  align-items:center;
  gap: 8px;
}

#vis_input input {
  width: 25px;
}

#vis_container {
  display: flex;
}

#vis {
  background-color: lightsteelblue;
  margin: 12px;
}

#vis_handler {
  display: flex;
  flex-direction:column;
  background-color: lightsteelblue;
  padding: 8px;
  margin: 12px;
}

button {
  transition-duration: 0.4s;
  background-color: lightblue;
  padding: 10px 24px;
  border-radius: 8px;
}
button:hover {
  background-color: cadetblue;
}