p 
{
font-family: 'Roboto', sans-serif;
color: grey;
}

img
{
display: block;
margin-left: auto;
margin-right: auto;
width:200px;
height:200px;
opacity:0.4;
filter:alpha(opacity=40); /* For IE8 and earlier */
}

img:hover
{
opacity:1.0;
filter:alpha(opacity=100); /* For IE8 and earlier */
}

.container {
position: center;
margin: auto;
width: 650px;
height: 650px;
}

.header {
margin-top: 100px; 
text-align: center;
margin-bottom: 100px; 
}

.left {
float:left;
text-align: center;
width: 50%;
}

.right {
float:right;
text-align: center;
width: 300px;
}

.footer {
clear: both;
text-align: center;
width: 300px;
}