/* CSS Document */

body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}

main {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  margin: 0 auto;
}

.container {
  display: flex;
  flex: 1;
  width: 100%;
}

nav {
  width: 200px;
  background-color: white;
  text-align: center;
}

section {
  flex: 1;
  background-color: #5c0099;
  overflow: auto;
  color: white;
}

article {
  margin: 10px;
  background-color: white ;
  color: black;
}

footer {
  height: 20px;
  background-color: #fdc500;
  color: #5c0099;
  text-align: center;
  width: 100%;
}

@media screen and (max-width: 1300px) {
  main {
    max-width: 950px;
  }
}

@media screen and (max-width: 800px) {
  main {
    max-width: 600px;
  }
  .container {
    flex-direction: column;
  }
  nav, section {
    width: 100%;
  }
}
 header {
    height: 400px;
    background-image: url("https://c.pxhere.com/photos/f2/ee/ball_volleyball_training_goal_hall_halgulv-1206027.jpg!d");
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
    display: flex;
    justify-content: flex-end; 
    align-items: center;       
    }

    header h1 {
    font-size: 3em;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.8);
    padding-right: 200px;
    }