html {
    background-color: lightblue;
}

div {
    text-align: center;
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
}

.hero-image {
    background-image: url('images/sito.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

#hero-content {    
    text-align: center;
    position: absolute;
    color: white;
    background-color: lightblue;
    font-size: 16px;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    transition-duration: 0.4s;
    cursor: pointer;
}

.button {
    font-family: Tahoma, Arial, Helvetica, sans-serif;
    background-color: white;
    box-shadow: 0px 5px 5px gray;
    font-size: 16px;
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none;
    transition-duration: 0.4s;
    cursor: pointer;
}

.button:hover {
  background-color: lightblue;
  color: black;
}

img {
    width: 100%;
    max-width: 300px;
    height: auto;
}

#mapa{
    overflow: hidden;
    padding-bottom: 20%;
    position: relative;
    max-width: 750px;
    min-height: 105px;
    width: 50%; 
    height: 25%;
    border: 1px solid gray;
    margin-top: 70px;
    box-shadow: 0px 5px 5px gray;
}

#mapa iframe{
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    position: absolute;
    border: 0;
}

#kontakt {
    font-family: Tahoma, Arial, Helvetica, sans-serif;
}

footer {
    font-family: Tahoma, Arial, Helvetica, sans-serif;
    font-size: smaller;
}

@media (min-width: 43rem){
  #mapa {
    width: 85%;
  }
}

@media (max-width: 42.99rem){
  #mapa {
    width: 95%;
  }
}


a {
  outline: none;
  text-decoration: none;
}

a:link {
  color: black;
}

a:visited {
  color: black;
}

a:focus {
  
}

a:hover {
  color: blue;
}

a:active {
  
}