.btn-tplink {
  background-color: #cdeecd; 
  border-color: #cdeecd; 
  width: 85%; 
  color: black; 
  display: block;
  margin: auto;
  margin-top: 2vh;
  /* border-radius: 20px; */
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -webkit-tap-highlight-color: transparent;
  box-shadow:
   -7px -7px 20px 0px #d1e8d1,
   -4px -4px 5px 0px #d1e8d1,
   7px 7px 20px 0px #a0cba0,
   4px 4px 5px 0px #a0cba0;
 transition:box-shadow 0.6s cubic-bezier(.79,.21,.06,.81);
  font-size: 26px;
  color: #666;
  text-decoration: none;
  outline:0 !important;
}


.btn-tplink:active, .btn-tplink:hover, .btn-tplink:focus  {
  box-shadow:  4px 4px 6px 0 #a0cba0,
              -4px -4px 6px 0 #a0cba0, 
    inset -4px -4px 6px 0 #a0cba0,
    inset 4px 4px 6px 0 #a0cba0;
  background-color: #a0cba0;
  border-color: #a0cba0; 
  outline:0 !important;
}


@media (max-width: 768px) {
  .content {
    width: 100vw;
    padding: 0px;
  }

  body {
    background: #e6f0e6;
  }
}

@media (min-width: 768px) {
  .content {
    width: 50vw;
    padding: 40px;
  }
}