.container {
clear: both;
float:
width: 100%;
text-align: center;
}
.kachel {
         float:left;
         width:300px;
         height: 300px;
         margin: 8px;

         }
 div {
  text-align: justify;
 }
table {
         border-style:none;
         -moz-border-radius:20px; /* Firefox */
         -webkit-border-radius:20px; /* Safari, Chrome */
         -khtml-border-radius:20px; /* Konqueror */
         border-radius:20px; /* CSS3 */
         }
img {
                border-style:solid;
                -moz-border-radius:20px; /* Firefox */
         -webkit-border-radius:20px; /* Safari, Chrome */
         -khtml-border-radius:20px; /* Konqueror */
         border-radius:20px; /* CSS3 */

}