Center logo and fill 4 images to page? - html

Question

i would like to have my logo centred to the four images. How do i do this? i would like the four images to fill the window and the logo to centre to them. I also don't want to stretch the images but would consider resizing them if needs be
.header {
background-color: black;
border-bottom: 1px solid #466995;
overflow-y: auto;
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 10;
}
ul {
margin: 30px auto;
text-align: center;
}
li {
color: #FFF;
display: inline-block;
font-family: 'Oswald', sans-serif;
font-size: 16px;
text-align: left;
font-weight: 300;
text-transform: uppercase;
padding: 0 100px;
}
li:hover {
color: #DBE9EE;
}
body {
margin: 0;
}
img {
max-width: 100%;
height: auto;
}
#container {
max-width: 100%;
z-index: -100;
margin: 0;
padding: 0;
}
.containermenu {
}
.containermenu img{
width: 50%;
height: 50%;
float: left;
}
#logo {
width: 20%;
margin: 0 auto;
position: absolute;
z-index: 20;
left: 40%;
right: 40%;
}
#process img {
width: 100%;
}
#process {
width: 100%;
}
<div id="container">
<div id="logo"><img src="http://oi68.tinypic.com/2njh9id.jpg"></div>
<div class="containermenu"><img src="http://oi67.tinypic.com/vgmv80.jpg"></div>
<div class="containermenu"><img src="http://oi67.tinypic.com/vgmv80.jpg"></div>
<div class="containermenu"><img src="http://oi67.tinypic.com/vgmv80.jpg"></div>
<div class="containermenu"><img src="http://oi67.tinypic.com/vgmv80.jpg"></div>
</div>
Codepen link

Answer 1

To center an item perfectly in the page use the following CSS
position: absolute;
left: 50%;
top: 50%;
transform: translateX(-50%) translateY(-50%);
EDIT: Updated Codepen

Answer 2

Use transform to center in css More infor here
.header {
background-color: black;
border-bottom: 1px solid #466995;
overflow-y: auto;
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 10;
}
ul {
margin: 30px auto;
text-align: center;
}
li {
color: #FFF;
display: inline-block;
font-family: 'Oswald', sans-serif;
font-size: 16px;
text-align: left;
font-weight: 300;
text-transform: uppercase;
padding: 0 100px;
}
li:hover {
color: #DBE9EE;
}
body {
margin: 0;
}
img {
max-width: 100%;
height: auto;
}
#container {
max-width: 100%;
z-index: -100;
margin: 0;
padding: 0;
}
.containermenu {} .containermenu img {
width: 50%;
height: 50%;
float: left;
}
#logo {
width: 20%;
position: absolute; /*fixed*/
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
#process img {
width: 100%;
}
#process {
width: 100%;
}
<div id="container">
<div id="logo">
<a href="index.html">
<img src="http://oi68.tinypic.com/2njh9id.jpg">
</a>
</div>
<div class="containermenu">
<a href="packaging.html">
<img src="http://oi67.tinypic.com/vgmv80.jpg">
</a>
</div>
<div class="containermenu">
<a href="photography.html">
<img src="http://oi67.tinypic.com/vgmv80.jpg">
</a>
</div>
<div class="containermenu">
<a href="illustration.html">
<img src="http://oi67.tinypic.com/vgmv80.jpg">
</a>
</div>
<div class="containermenu">
<a href="about.html">
<img src="http://oi67.tinypic.com/vgmv80.jpg">
</a>
</div>
</div>