body {
	justify-content: center;
	display: flex;
}

.one {
background-color: red;
width: 150px;
height: 400px;
float: left;
margin: 10px;
border: 2px solid #000000;
margin-top:75px;
}

.two { 
background-color: blue;
width: 600px;
height: 400px;
float: left;
margin: 10px;
border: 2px solid #000000;
display: flex;
position: relative;
justify-content: center;
margin-top:75px;
}

.three {
background-color: yellow;
width: 150px;
height: 400px;
float: left;
margin: 10px;
border: 2px solid #000000;
margin-top:75px;
}

.inside1 {
background-color: green;
width: 255px;
height: 205px;
border: 2px solid #000000;
float: left;
margin: auto;
margin-bottom: 175px;
}

.inside2 {
	background-color: purple;
width: 255px;
height: 205px;
border: 2px solid #000000;
float: left;
margin: auto;
margin-bottom: 175px;
}

.inside3 {
	background-color: orange;
	width: 555px;
	height: 150px;
	border: 2px solid #000000;
	position: absolute;
	bottom: 10px;
	margin: auto;
}