#myBtn {
  display: none;
  height: 50px;
  width: 50px;
  position: fixed;
  bottom: 5px;
  right: 15px;
  /*box-shadow: 0 0 10px #06171d;*/
  z-index: 99;
  
  /*overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;*/
  background: #971135 url(../img/cd-top-arrow.svg) no-repeat center 50%;
  /*-webkit-border-radius: 0px 20px 0px 20px;
  -border-radius: 0px 20px 0px 20px;
  border-radius: 0px 20px 0px 20px;*/
  border:  1px solid #000000;
  visibility:visible;
  opacity: 1;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s;
  -moz-transition: opacity .3s 0s, visibility 0s .3s;
  transition: opacity .3s 0s, visibility 0s .3s;
  cursor: pointer;
}

#myBtn:hover {
  background-color: #E5E9EA;
  opacity: 1;
  border:  1px solid #000000;
}