body{
  
  margin-left: 20%;
  margin-right: 20%;
  font-family: Arial, Helvetica, sans-serif;
}
.gfx{
width:100%;
}
img{
  padding-bottom: 0.5em;
 
}
.row {
  border-bottom-style: ridge;
  margin: 40px;
}
.bgc{
     background-color:#adccaa;
}
@media screen and (max-width: 800px) {
  body{
    margin: auto;
  }
  img{
  	max-width: 400px;
  }
}