body {
  min-width: 330px;
  overflow-x: hidden;
  font-size: 16px;
}
img {
  margin: 5px;
  border: 2px solid black;
  vertical-align: middle;
  width: 64px;
  height: 64px;
} 
/* styly pro tlacitka */
ul {
  font-family: Arial, Verdana;
  font-size: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
/* barva po najetí na tlacitka */ 
.buttons li:hover {
  background:#A5A5A5  !important;
}
 