* {
  box-sizing: border-box;
  alignment-adjust: auto;
 }

 html {
   font-family:"Roboto", sans-serif;
   color: white;
   font-size: calc(1rem + 1vw);
}

body {
  margin: 0;
  display: grid;
  grid-template-rows: 10vh 5vh 82vh 3vh;
  grid-template-columns: 1fr 10fr 1fr;
  grid-template-areas:
    "header header header"
    "nav nav nav"
    "side1 main main side2"
    "footer footer footer"
}

a:link {
  text-decoration: none;
  color: #d4f099;
}

a:visited {
  text-decoration: none;
  color: silver;
}
a:hover {
  text-decoration: none;
  color: #d7f033;
  cursor: pointer;
}


#header {
  grid-row: 1; grid-column: 1/4;
  width: 100vw;
  height: 10vh;
  line-height: 10vh;
  font-size:  7vmax;
	color: #840884;
	text-shadow: 5px 5px 3px grey;
  background-image: url('../img/achtergrond-header.jpg');
  background-size: cover;
	background-position: center;
}

.side1 {
grid-row: 3; grid-column: 1;
height: 600vh;
background-image: url('../img/sidebar.jpg');
background-repeat: 5;
opacity: 0.5;
border-right: 1px solid #840884;
}

.side2 {
grid-row: 3; grid-column: 3;
height: 600vh;
background-image: url('../img/sidebar.jpg');
background-repeat: 0 5;
opacity: 0.5;
border-left: 1px solid #840884;
}


.main {grid-row: 3; grid-column: 2;
	padding-left: 1vw;
	padding-right: 1vw;
	grid-auto-flow: column;
	}

.container {
	display: grid;
  grid-auto-flow: row;
	margin-top: 3vh;
	padding: 1vh 2vw;
	grid-row-gap: 1vh;
	grid-column-gap: 1vw;
}

.container>div {
  background-color: rgba(75, 44, 60, 0.5);
	border: 1px solid silver;
	padding:2vh 1vh;
  font-size: 12px;
  border-radius: 1%;
}

.toggle-text {
  display: none;
}

#more {display: none;}

#myBtn {
  background-color: transparent;
  font-style: italic;
  font-size: 12px;
  color: white;
  border: none;
  cursor: pointer;
}

#myBtn:hover {
  color: #d4f099;
  font-weight: bolder;
}


#footer {
  grid-row: 4;grid-column: 1/4;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
	height:3vh;
  background-color: black;
  border-top: 1px solid #840884;
  font-size: small;
  text-align: center;
}

.iframe-container {
	position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  padding-top: 5px;
  height: 0;
}
.iframe-container iframe{
  position: absolute;
  top:0;
  left: 0;
  width: 100%;
  height: 100%;
}


.nav {grid-row: 2; grid-column: 1/4;
      position: absolute;
      border-top: 3px solid #840884;
      border-bottom: 1px solid #840884;
      text-align: right;
      height: 5vh;
      line-height: 5vh;
      background-color: black;
      top: 10vh;
      width: 100%;


  }
  .menu {
      margin: 0 30px 0 0;
  }
  .menu a {
      clear: right;
      text-decoration: none;
      color: silver;
      background-color: black;
      margin: 0 10px;
      line-height: 5vh ;
  }

.menu a:hover {
      color: white;
      font-weight: bolder;
  }


  label {
      margin: 0 40px 0 0;
      font-size: 4vh;
      line-height: 5vh;
      display: none;
      width: 26px;
      float: right;
  }
  #toggle {
      display: none;
  }


  @media only screen and (max-width: 500px) {
      label {
          display: block;
          cursor: pointer;
      }
      .menu {
          text-align: left;
          padding-left: 10px;
          width: 50vw;
          display: none;
      }
      .menu a {
          display: block;
          position: relative;
          z-index: 2;
          border: 1px solid #840884;
          border-radius: 5%;
          padding-left: 10px;
          margin: 0;
      }
      #toggle:checked + .menu {
          display: block;
      }
      .container {
        display: grid;
        grid-template-columns: 1fr;
      }

      img {
        float:left;
        margin: 2vw;
      }