Header {
text-align: center;
color: DodgerBlue;
font-size: 200%
 }
div.gallery {
margin: 5px;
border: 1px solid #ccc;
float: left;
width: 350px;
}
div.gallery:hover {
    border: 1px solid #777;
}
div.gallery img {
    width 100%;
    height: auto;
}
div.desc {
    padding: 15px;
    text-align center;
}
img {
    border: 5px solid DodgerBlue;
}
header {
background-color: darkgrey;
}
footer {
background-color: darkgrey;
color: DodgerBlue;
text-align: center;
font-family: "Arial", Helvetica, sans-serif;
left: 0;
position: absolute;
width: 100%;
clear: both;
height: 25px;
padding-top: 10px;
padding-bottom: 0px;
}
body {
background-color: lightgrey;
margin-bottom: 50px;
}
#main-wrapper {
position: fixed;
height: 50px;
bottom: 0px;
left: 0px;
right: 0px;
margin-bottom: 0px;
}