body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    
}

header{
    grid-area: header;
    background-color: #333;
    
}

#zlabel{
    font-size: 40px;
    /*padding: 10px 10px 10px 10px;*/
    
    color: #eee;
    text-align: center;
    text-decoration: none;
    
}

nav{
	grid-area: nav;
}


.zframe{
    height: 600px;
    border: 0;
}

.navbar {
    overflow: hidden;
    background-color: #333;
    padding: 0px 0px 0px 50px;
}
  
.navbar a {
    float: left;
    font-size: 16px;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
  
.subnav {
    float: left;
    overflow: hidden;
}
  
.subnav .subnavbtn {
    font-size: 16px;  
    border: none;
    outline: none;
    color: white;
    padding: 14px 16px;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
}
  
.navbar a:hover, .subnav:hover .subnavbtn {
    background-color: rgb(0, 140, 255);
}
  
.subnav-content {
    display: none;
    position: absolute;
    left: 0;
    background-color: rgb(0, 119, 255);
    width: 100%;
    z-index: 1;
}
  
.subnav-content a {
    float: left;
    color: white;
    text-decoration: none;
}
  
.subnav-content a:hover {
    background-color: #eee;
    color: black;
}
  
.subnav:hover .subnav-content {
    display: block;
}

/*grid*/


footer{
	grid-area: footer;
    background-color: #333;
    color: #eee;
    padding: 5px 5px 5px 5px;
}