/*UEBUNG TRANSFORMATOREN*/
.yellow {
  font-size: 1.3em;
  color: #000;
  background-color: var(--aa5);
  padding: 5px;
  border-radius: 5px;
  border: 2px solid black;
  width: 130px;
  text-align: center;
  margin: 0.5em;
}

.trafo {
  margin-bottom: 0.5em;
  margin-top: 1em;
}

.trafo-wrapper {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  align-content: center;
  align-items: center;
  justify-content: center;
}

.item {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.form-control {
  width: auto;
}