h1{text-align: center;}
a{text-decoration: none; color: black; margin-left: 500px;}
a:link{border: 1px pink solid; background-color: pink;}
a:visited {border: 1px pink solid; background-color: lightblue}
a:hover {border: 1px powderblue solid; background-color: powderblue}
.kocka {float: right; margin-right:500px;}
.menu {clear: left; margin-left:5px ;}