* {
  box-sizing: border-box;
}
.container{
  display: flex;
  margin-top: 15px;
}
.opis{
    padding-left:15px;
    max-width: auto;
}
img{
  max-width:140px;
  height:auto;
}
.opis h4 {
    display: block;
    margin-block-start: 0em;
    margin-block-end: 0em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;

}
.rubik {
  font-family: "Rubik", sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
}
.menu {
  float: left;
  width: 20%;
  text-align: left;
}
#menu2{
  padding: 8px;
  margin-top: 1px;
  width: 100%;
  border-bottom: 1px solid grey;
   font-weight: 500;

}
#kontakt{
  padding: 8px;
  margin-top:2px;
  width: 100%;
  border-bottom: 1px solid grey;
  font-weight: 500;
}
#kontakt2{
  padding: 8px;
  margin-top:10px;
  width: 100%;
}
.cechy,.cena{
  flex:1;
}
.cena{
   font-weight: 500;
}

.menu a {
  background-color: #ffffff;
  padding-left: 8px;
  margin-top: 5px;
  display: block;
  width: 100%;
  color: black;
  text-decoration: none;

}
a:hover {
  color:red;
}

.main {
  float: left;
  width: 60%;
  padding: 0 20px;
}

.right {
  background-color: #ffffff;
  float: left;
  width: 20%;
  padding: 15px;
  margin-top: 7px;
  text-align: left;
}

@media only screen and (max-width: 620px) {
  /* For mobile phones: */
  .menu, .main, .right {
    width: 100%;
  }
}