a {
  text-decoration: none;
  #color: black;
}

.rectangle {
  width: fit-content; /*150px;*/
  height: 25px;
  border-radius: 5px; /* Rounded corners */
  background-color: red;
  #background: rgba(255,0,0,0.5);
  border: 1px solid blue;
  text-align: centre;
  color: yellow;
}