body {
    margin: 10px auto;
    max-width: 90vw;
    font-family: sans-serif;
    color: #000000;
    display: grid;
    grid-template-columns: auto 1fr;	
    grid-template-rows: auto 1fr auto;
    min-height: 95vh;
}

header, nav, main, article, section, aside, footer {
   border-radius: 0px 0.5em 0.5em;
   border: 1px solid;
   padding: 10px;
   margin: 10px;
}

#logo {
	grid-column: 1;
	grid-row:    1;
	display: flex;
    align-items: center;
    justify-content: center;
}

header {
	background: #00BFFF;
	border-color: #0B3B17;
	grid-column: 2;
	grid-row:    1;	
	min-height: auto;
	position: relative;		/*damit im untergeord. Container position:absolute funkt*/
}

nav {
	background: #00BFFF;
	border-color: #0B3B17;
	grid-column: 1;
	grid-row:    2;	
	position: relative;		/*damit im untergeord. Container position:absolute funkt*/
	min-height: 30em;		/*damit "Logout" nicht über das Menü schiebt*/	
}

main {
	background: #E6E6E6;
	border-color: #0B3B17;
	grid-column: 2;
	grid-row:    2;	
}

footer {
	background: #00BFFF;
	border-color: #0B3B17;
	grid-column: 1 / span 2;
	grid-row:    3;					
	position: relative;		/*damit im untergeord. Container position:absolute funkt*/
}

h1.header {
    display: block;
    font-size: 2em;
    margin-top: 0;
    margin-bottom: 0.67em;
    margin-left: 0;
    margin-right: 0;
    font-weight: bold;
}

#logout_unten {				/*im übergeordneten Container(nav) unten*/
	position: absolute;
    bottom: 1em;
	color: #f20000;
}

#logout_rechts {			/*im übergeordneten Container(header) rechts*/
	position: absolute;
    right: 1em;
	color: #f20000;
}

#impressum_rechts {			/*im übergeordneten Container(footer) rechts*/
	position: absolute;
    right: 1em;
}

hr { 
    width: 100%; 
/*    height: 3px; */
    margin: 0 auto;
    color: blue;
    background: #525252;
}

/* Buttons */
.btn_norm {
    cursor: pointer;
    font-size: 14px;
}
.btn_norm:hover {
	color: white;                  /*Schriftfarbe*/
    background-color: #7F7F7F;
} 

.btn_pdf {
    background-color: #BE0000;
	color: white;
    cursor: pointer;
    font-size: 14px;
    /*
	border: none;
	border-radius: 12px;
	transition-duration: 0.4s;
    text-align: center;
    text-decoration: none;
	margin: 4px 2px;
    display: inline-block;
	padding: 15px 32px;
	*/
}
.btn_pdf:hover {
    background-color: #00BFFF;
	color: white;                  /*Schriftfarbe*/
} 
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