body {
  font-family: Arial;
  margin: 0;
  background:#FFFFFF;
 
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: green;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: red;
}
 



.header {
  padding: 20px;
  text-align: center;
  background:#FFFFFF;
  
  color: black;
  font-size: 30px;
}

.content {padding:20px;}
  
table, td {
  border:1px solid black;
}

* {
        box-sizing: border-box;
 }

/* Create three equal columns that floats next to each other */
.column {
  float: left;
  width: 33.33%;
  padding: 10px;
  text-align: center;
}

.row:after {
    content: "";
    display: table;
    clear: both;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}


div.gallery {
  margin: 5px;
  border: 2px solid #ccc;
  float: left;
  width: 140px;
 }

div.gallery:hover {
  border: 4px solid #777;
}

div.gallery img {
  width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  

}

div.desc {
  padding: 15px;
  text-align: center;
  font-size: 15px
}

.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   text-align: center;
  background: #FFFFFF;
  color: black;
  font-size: 12px;
}
#header  {
  padding: 20px;
  text-align: center;
  background:#FFFFFF;
  color: black;
    font-size: 50px;
}
#header1  {
  padding: 20px;
  text-align: center;
  background:#FFFFFF;
  color: black;
    font-size: 50px;
}
#header2  {
  padding: 20px;
  text-align: center;
  background:#FFFFFF;
  color: black;
    font-size: 50px;
}



/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column {
   width: 100%;
  }