body {
  background-color: white;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

header {
padding-bottom: 15px;
}

div.imghead img {
    max-width:20%;
    height:auto;
}

footer{
position: right;
  bottom: 0;
  width: 100%;
  height: 2.5rem; 
}

.content{
background-color: gainsboro;
height: 100%;
margin: auto;
padding: 10px;
display:block;
}


.iframecontent{
     background-color: gainsboro;
     height: fit-content;
     margin: auto;
     display:flex;
     padding: 10px;
}

.infocontent{
     background-color: gainsboro;
     height: fit-content;
     margin: auto;
     display:flex;
     padding: 10px;
}

.gallerycontent{
background-color: gainsboro;
height: fit-content;
margin: auto;
display:flex;
}
@media only screen and (min-width: 750px) {
      .gallerycontent{
                         padding-left:22%;
                         padding-right:17%
           }

      .iframecontent{
                        padding-left: 600px;
                        padding-top: 10px;
                        padding-bottom: 10px;
          }
       .infocontent{
                        padding-left: 550px;
                        padding-top: 10px;
                        padding-bottom: 10px;
          }

}



.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 44%
}


.centergallery {
  margin-left: auto;
  margin-right: auto;
  width: 100%
}

.home{
text-align:center;
}


/* Add a black background color to the top navigation */
.topnav {
  background-color: white;
  overflow: hidden;
}

.topnav a {
  float: left;
  color: black;
  text-align: center;
  padding: 7px 4px;
  text-decoration: none;
  font-size: 17px;
  max-width: 35%;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
  text-decoration: underline;
}
.topnav a.active {
  background-color: #404040;
  color: white;
  font-weight: bold;
  text-decoration: underline;
}

div.gallery {
  margin: 3px
  border: 1px solid #ccc;
  float: left;
  width: 250px;
  padding: 5px;
 
}

div.gallery img {
  width: 100%;
  height: auto;
}

div.desc {
  padding: 2px;
  text-align: center;
  font-size: 9;
  font-weight: bold;
}

.responsive {
  padding: 0 6px;
  float: left;
  width: 24.99999%;
}

@media only screen and (max-width: 700px) {
  .responsive {
    width: 49.99999%;
    margin: 6px 0;
  }
}

@media only screen and (max-width: 500px) {
  .responsive {
    width: 50%;
  }
}