* {
	margin: 0;
	box-sizing: border-box;
}	
body {
	background-color: transparent;
	background-image: url("index.jpg");
}
#F2 {
	width: 750px;
}
#F3 {
	width:400px;
}
a {
	text-decoration: none;
}
iframe {
	border-style: none;
	height: 1200px;
	overflow: auto;
}
footer {
	background-color: transparent;
	display: flex;
	padding-left: 6px;
	width: 540px;
}
<!---------------------------------------------------->
#table {
	display: table;
	background-color: transparent;
	margin-left: 16px;
}
<!---------------------------------------------------->
.row {
	display: table-row;
}
.cell {
	display: table-cell;
	background-color: transparent;
}