/* CSS Document */
@import url(https://fonts.googleapis.com/css?family=Roboto&subset=latin,latin-ext);
* {
  box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    background: url('obrazky/intro_frame.jpg') center center / cover no-repeat;
}
header, section {
    background-color: rgba(200,200,200,0.8);
    margin: 20px auto 0 auto;
    width: 50%;
    padding-left: 3%;  
    padding-right: 3%; 
    text-align: center;
    overflow: auto;
}
section {
     width: 80%;
     text-align: justify;
}
#domu {
      position: fixed;
      left: 0;
      top: 0;
      
      background-color: rgba(200,200,200,0.8);
}
#domu a {
      color: black;
      text-decoration: none;
      padding: 5px 10px;
      transition: background-color 1s, color 1s;
      display: block;
}
#domu a:hover {
      color: white;
      text-decoration: none;
      background-color: rgba(0,0,0,0.8);
}
figure {
      text-align: center;
      overflow: auto;
}
section a {
      color: black;
      transition: background-color 1s, color 1s;
}
section a:hover {
      background-color: black;
      color: rgb(200,200,200);  
}
figure iframe {
      width: 405px;
      height: 405px;
}
.video {
  width: 100%;
}
@media (max-width: 600px) {
  
  header, section {
      width: 100%;
      margin: 0;
      padding-left: 5px;
      padding-right: 5px;
  }
  figure {
      width: 100%;
      margin: 0;
  }
}