#myBtn {
  display: none; /* Hidden by default */
  position: fixed; /* Fixed/sticky position */
  bottom: 20px; /* Place the button at the bottom of the page */
  right: 30px; /* Place the button 30px from the right */
  z-index: 99; /* Make sure it does not overlap */
  border: none; /* Remove borders */
  outline: none; /* Remove outline */
  background-color: red; /* Set a background color */
  color: white; /* Text color */
  cursor: pointer; /* Add a mouse pointer on hover */
  padding: 11px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}

#myBtn:hover {
  background-color: #555; /* Add a dark-grey background on hover */
}
/*********MIDDLE STYLES*************/
.card {
 /* display: inline-block;*/
  background-color: #fff;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,.15);
 /* margin: 14px;*/
  padding: 15px;
  position: relative;
  margin-bottom: 20px;
  transition: all .2s ease-in-out;
}

.card:hover {
  /*box-shadow: 0 5px 22px 0 rgba(0,0,0,.25);*/
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  margin-bottom: 20px;
}