div.btn {
  margin-left: auto;
  margin-right: auto; }
  div.btn a, div.btn span {
    display: inline-block;
    text-decoration: none;
    color: inherit;
    font-weight: bold;
    line-height: 1;
    text-align: center; }
  div.btn.btn-s a, div.btn span {
    min-width: 180px;
    height: 40px;
    font-size: 14px;
    padding: 13px 23px;
    border-radius: 100vh; }
  div.btn.btn-m a, div.btn span {
    min-width: 180px;
    height: 50px;
    font-size: 16px;
    padding: 17px 27px;
    border-radius: 100vh; }
  div.btn.btn-m2 a {
    min-width: 180px;
    height: 50px;
    font-size: 16px;
    padding: 17px 27px;
    margin-bottom:5px;
    border-radius: 100vh; }
  div.btn.btn-l a, div.btn span {
    min-width: 340px;
    height: 70px;
    font-size: 20px;
    padding: 25px 30px;
    border-radius: 100vh; }
  div.btn.blue a, div.btn span {
    background-color: #196FDD;
    color: #FFF; }
  div.btn.line a, div.btn span {
    background-color: #fff;
    color: #004BB1;
    border: 2px solid #CDD6DD; }
  div.btn i {
    float: right;
    opacity: 0.6; }

@media screen and (max-width: 681px) and (min-width: 641px){
  .btn-m2{
    width:100%;
    height: auto;
    border-radius: 100vh; }
     a.abtn{ width:90%; margin:4px auto;}
     a.abtn p{font-size:1em;font-weight:bold;}
}

@media screen and (max-width: 640px) {
  div.btn.btn-l a, div.btn span {
    min-width: auto;
    width: 100%;
    font-size: 18px;
    height: 60px;
    padding: 20px 20px; } 

  .btn-m2{
    width:100%;
    height: auto;
    border-radius: 100vh; }

  a.abtn{
    width:100%;
    display:block;
    margin:12px auto;}

  a.abtn p{
   font-size:1.4em;font-weight:bold;}

  div.btn.btn-s2 a{
   background-color: #B6D1E6;
    width: 100%;
    height: auto;
    font-size: 14px;
    padding: 12px 0;}


}