#gridcal
{ 
	display: grid;
    /* Zeilen */
	grid-template-rows: repeat(1, 1fr);
    /* Spalten */
    grid-template-columns: repeat(1, 1fr);
	background-color: green;	
	height:auto;
	font-family:times-roman;
	/* font-size:1.25em; */
}
#gridlayout .calender
{ 
	background: green; 
} 	

/* =================================================
	Abschnitt für PORTRAIT BREITE --> 740px

================================================== */
@media only screen and (orientation: portrait) and (max-width: 740px)
#gridlayout aside
{ 
	margin-top: 2em;
	background: brown; 
	/* width:auto; */
	/*height:auto;*/
	grid-column: 1 / 4;
	grid-row: 2 / -1;
}