.section{
  width:100%;
  padding: 0px;
  display:inline-flex;
  flex-wrap: nowrap;
  justify-content: space-around;
}
.textblock
{
  width: 75%;
  padding: 5px;
  margin: 0px;
  text-align: left;
  border: 3px groove gray;
  
}
.side-gallery
{
    width:20%;
    padding: 5px;
    margin: 0px;
    display: flex;
    flex-wrap: wrap;
  justify-content: center;
  
  border: 3px groove gray;
}

.backButton
{
    background-color: lightgray;
    color:black;
    border: 3px groove gray;
}
.backButton:visited
{
    color:black;
}