#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: 15px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}

#myBtn:hover {
  background-color: gray; /* Add a dark-grey background on hover */
}

.box1{
    border: gray 15px solid;
}

.box2{
    border: gray 15px solid;
}

.box3{
    border: gray 15px solid;
}


.box4{
    border: gray 15px solid;
}

.box5{
    border: gray 15px solid;
}

.box6{
    border: gray 15px solid;
}

.box7{
    border: gray 15px solid;
}

.box8{
    border: gray 15px solid;
}

.box9{
    border: gray 15px solid;
}

.box10{
    border: gray 15px solid;
}

.box11{
    border: gray 15px solid;
}

.box12{
    border: gray 15px solid;
}

.box13{
    border: gray 15px solid;
}

.box14{
    border: gray 15px solid;
}

.box15{
    border: gray 15px solid;
}


.box16{
    border: gray 15px solid;
}

.box17{
    border: gray 15px solid;
}

.box18{
    border: gray 15px solid;
}



.row{
    min-height: 600px;
    background-color: gray;
}
img {
    max-width: 100%;
    height: auto;
}