div {
position: relative;
  border-radius: 12px;
  border: 0.00001px solid white;
  opacity: 1;
}
a.button7 {
  font-weight: 700;
  color: white;
  text-decoration: none;
  padding: .8em 1em calc(.8em + 3px);
  border-radius: 3px;
  background: rgb(64,199,129);
  box-shadow: 0 -3px rgb(53,167,110) inset;
  transition: 0.2s;
} 
a.button7:hover { background: rgb(53, 167, 110); }
a.button7:active {
  background: rgb(33,147,90);
  box-shadow: 0 3px rgb(33,147,90) inset;
}