.btn-sticky {
  display: inline-block;
  padding: 0.5em 1em;
  text-decoration: none;
  background: #f7f7f7;
  border-left: solid 6px #829550;/*左線*/
  color: #829550;/*文字色*/
  font-weight: bold;
  box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
}
.btn-sticky:hover {
  box-shadow: inset 0 0 2px rgba(128, 128, 128, 0.1);
  transform: translateY(2px);
}

a:hover {
color:#5E6D37;
text-decoration:underline;
}