.button_hesteg {
  margin: 0 2px 0 2px;
  height: 15px;
  padding: 2px 4px 2px 4px;
  background-color: rgba(17, 19, 23, 0.1);

  border: rgba(17, 19, 23, 0.5) solid 2px;
  border-radius: 5px;
}

a.button_hesteg {
  transition: 1s;
  color: white;
}
a.button_hesteg:hover {
  transition: 0.3s;
  color: greenyellow;
  border: #9acd32 solid 2px;
}
