<!-- -->
.btmFixedBnr {
  display: none; 
  position: fixed;
  bottom: 0;
  left: 0 !important;   
  right: 0 !important;  
  margin: 0 auto;      
  width: 100%;
  max-width: 800px;
  z-index: 9999;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.8);
}

.btmFixedBnr img {
  width: 100%;
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
  display: block;
  margin: 0 auto;
}