#kniha, table {background-color: slategrey;  text-align: center;margin-left: 12.5%;margin-right: 12.5%; padding: 10px;}
#center {text-align: center;}
form {background-color:indianred;color: snow;text-align: center;padding: 10px;margin-left: 12.5%;margin-right: 12.5%}
table {background-color: khaki; text-align: center;padding: 10px;margin-left: 12.5%;margin-right: 12.5%; width: 75%;}
body {background-color: bisque;text-align: center;}
ul {padding-left: 45%;padding-right: 20%;text-decoration: none; text-decoration: solid;}
li {padding-right: 70%; display: block;}