.mn-share-button {
  text-indent: -9999px;
  background-repeat: no-repeat;
  display: block;
  border: none;
  width: 32px;
  height: 32px;
  background-color: #3740ff;
  -webkit-box-shadow: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12);
  box-shadow: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12);
  border-radius: 50px;
  background-size: 40%;
  background-position: center center;
}
.mn-share-button:hover {
  border: none;
}
.mn-share-button.fixed-icon {
  position: fixed;
  bottom: 50px;
  right: 20px;
  z-index: 99;
  padding: 10px;
}