@import url(http://fonts.googleapis.com/css?family=Didact+Gothic&subset=latin,greek);

body {
font-family: 'Didact Gothic', sans-serif;
}

html,body,.container
{
    height:100%;
}
.container
{
    display:table;
    width: 100%;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding:0;
}

.row
{
    height: 100%;
    display: table-row;
}
.col-sm-4.no-float, .col-md-8.no-float {
    float: none; /* thanks baxabbit */
}
.col-sm-4
{
    display: table-cell;
}
.col-sm-8
{
    display: table-cell;

  padding:20px 80px;
}


.site{
 	background: #29487F url('biotrapezi.jpg') no-repeat 0 -70px;
background-size:34% 110%;
  background-attachment: fixed;
      height:100%;
}


.col-sm-8 p.lead{
text-align:justify;
  font-size:1.5em;
}
.col-sm-8 p, .col-sm-8 ul{
text-align:justify;
  font-size:1.1em;
}


.content {
    position: relative;
    overflow: hidden
        z-index: 1;
}
/* You could use :after - it doesn't really matter */
.content:before {
    content: ' ';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
    background-image: url('mesogiakidiatrofi2.jpg');
    background-repeat: no-repeat;
    background-position: 50% 0;
    -ms-background-size: cover;
    -o-background-size: cover;
    -moz-background-size: cover;
    -webkit-background-size: cover;
    background-size: cover;
    background-attachment: fixed;
}