body {
  background-color: #6f9ceb;
  background-image: url("../images/jeans.jpg");
  background-position:center;
  background-size:100%;
  color: white;
  font-family: Verdana;
  display: flex;
  flex-direction:column;
  align-items: center;
  justify-content: space-around;
  
}

#rect{
  width: 80%;
  height:700px;
}
.construct{
  width: 80%;
  height:700px;
  display: inline-block;
  position: relative;
  background-image: url("../images/rectangle.png");
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.construct-content{
  color:white;
  position:absolute;
  left: 17%;
  top:13%;
  width: 78%;
  height:70%;
}
.construct-content iframe{
  width:80%;
  height:300px;
  }
  
#photogrid {
  display:flex;
  flex-wrap:wrap;
  width:100%;
  align-items:center;
  justify-content:center;
  }
  
#photogrid iframe{
  border: solid 2px black;
  border-radius:25px;
  background-color:white;
  height:33vmax;
  }
  

.photo{
  width:25%;
  }

#photogrid{
  color:white;
  }
  
#back{
  background-color: #404b55;
  border: 5px solid white;
  border-radius: 25px;
  padding:10px;
  position: fixed;
  bottom:10px;
  left:10px;
  transition: 0.5s;
  color:white;
  text-decoration:none;
}

#back:hover{
  background-color: #606b75;
}