* {
  margin: 0;
  padding: 0;
}
 
h1 {
  text-align:center;
  color:#ffffff;
  margin:  4px 12px 3px 12px;
  border-bottom: 3px solid #cccccc;
}

body {
  background: #333;
  color:#ffffff;
}
 
a {
  color:#ccccff;
}
 
a:visited {
  color:#9999ff;
}
 
#mainblock {
  width: 900px;
  margin: 0 auto;
  overflow: auto;
}
 
ul {
  list-style-type: none;
}
 
li img {
  float: left;
  margin: 10px;
  border: 5px solid #fff;
 
  -webkit-transition: box-shadow 0.5s ease;
  -moz-transition: box-shadow 0.5s ease;
  -o-transition: box-shadow 0.5s ease;
  -ms-transition: box-shadow 0.5s ease;
  transition: box-shadow 0.5s ease;
}

li img:hover {
  -webkit-box-shadow: 0px 0px 7px rgba(255,255,255,0.9);
  box-shadow: 0px 0px 7px rgba(255,255,255,0.9);
}