body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100dvh;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  text-align: center;
  color: #eee;
  background-color: #0d150e;
}

label {
  font-weight: bold;
}

.container-lv1 {
  margin: 1rem;
  padding: 1rem;
  border: 1px solid #555;
  border-radius: 5px;
  background-color: #222;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.container-lv2 {
  margin: 0.5rem;
  padding: 0.5rem;
  border: 1px solid #555;
  border-radius: 5px;
  background-color: #fff;
  color: black;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

select {
    height: 1.5rem;
    margin: 0.25rem;
}

button {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0.25rem;
  padding: 10px 20px;
  border: none;
  border-radius: 3px;
  background-color: #333;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background-color: #555;
}

.separator1 {
    width: 90vw; 
    height: 0.5px; 
    background: white; 
    margin: 1rem;
}

h2 {
    margin-block-end: 0;
}

.h2-pre-header {
    margin-block-start: 0;
    margin-block-end: -1.25rem;
}

.h2-post-header {
    margin-block-start: -0rem;
    margin-block-end: -0.25rem;
}