#myBtn {
  
  display: none;

  position: fixed;

  bottom: 20px;

  right: 30px;

  z-index: 99;

  font-size: 40px: none;

  background-color:rgba(0, 0, 0, 0.562);

  color: white;

  cursor: pointer;

  padding: 5px;

  border-radius:50%;

}


  
#myBtn:hover {
  
    background-color: #555;
  
  }
  
.nav {background-image:url('images/IMG_20180827_103945.JPG');}


.dropdown-container {

  display: none;
 
  padding-left: 12px;

}

a{text-decoration:none;}


* {
  box-sizing: border-box;
}

.row {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  margin: 0 -16px;
}

.col-25 {
  -ms-flex: 25%; /* IE10 */
  flex: 25%;
}

.col-50 {
  -ms-flex: 50%; /* IE10 */
  flex: 50%;
}

.col-30 {
  -ms-flex: 50%; /* IE10 */
  flex: 30%;
}
.col-20 {
  -ms-flex: 50%; /* IE10 */
  flex: 20%;
}

.col-75 {
  -ms-flex: 75%; /* IE10 */
  flex: 75%;
}

.col-25,
.col-20,
.col-30,
.col-50,
.col-75 {
  padding: 0 16px;
}

.box {
  background-color: #f2f2f2;
  padding: 5px 20px 15px 20px;
  border: 1px solid lightgrey;
  border-radius: 3px;
}



.icon-container {
  margin-bottom: 20px;
  padding: 7px 0;
  font-size: 24px;
}

.btn {
  background-color: #4CAF50;
  color: white;
  padding: 12px;
  margin: 10px 0;
  border: none;
  width: 100%;
  border-radius: 3px;
  cursor: pointer;
  font-size: 17px;
}

.btn:hover {
  background-color: #45a049;
}

a {
  color: #2196F3;
}

hr {
  border: 1px solid lightgrey;
}

span.price {
  float: right;
  color: grey;
}

/* Responsive layout - when the screen is less than 800px wide, make the two columns stack on top of each other instead of next to each other (also change the direction - make the "cart" column go on top) */
@media (max-width: 800px) {
  .row {
    flex-direction: column-reverse;
  }
  .col-25 {
    margin-bottom: 20px;
  }
}