div.container {
    width: 100%;
    border: 1px solid gray;
}

header, footer {
    padding: 1em;
    color: white;
    background-color:#6600cc;
    clear: left;
    text-align: center;
    
}
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #4CAF50;
  color: white;
} 
 

div.box {
    float: left;
    background-color: lightgrey;
    width: 20%;
    border: 1px solid green;
    padding: 10px;
    margin: 6px;
    font-size: 24px;
    font-weight: bold;
}

  
div.article {
    margin-left: 10px;
    border-left: 1px solid gray;
    padding: 1em;
    overflow: hidden;
    font-size: 1.5vw;
}

@media screen and (max-width: 600px) {
  div.article {
	font-size: 3vw;
  }
}

img:hover {
transform: scale(2.0);
position: relative;
left: 10px;
}

.videob1 {
  float: left;
  width: 25%;
  height: 300px;
  border: thin silver solid;
  margin: 0.5em;
  padding: 0.5em;
}

/* On screens that are 600px wide or less, make video full width */
@media screen and (max-width: 600px) {
  .videob1 {
    width: 100%;
  }
 }

 .videob2 {
  float: left;
  width: 50%;
  height: 600px;
  border: thin silver solid;
  margin: 0.5em;
  padding: 0.5em;
}

div.textbox {
  float: left;
  background-color: lightgrey;
  width: 100%;
  height: 70px; 
/*	height: 10%; */
  padding: 10px;
  margin: 6px;
  border: 1px dotted black;
  font-size: 2.0vw;
  font-weight: bold;
  text-align: center;
}

@media screen and (max-width: 600px) {
  div.textbox {
   /* height: 10%; */
	font-size: 4vw;
  height: 40px; 
  }
 }