style.css

.ribbon {
  background-color: #1a1a1e;
  overflow: hidden;
  /* top left corner */
  position: absolute;
  font-size:16px;  
  left: -4.2em;
  top: 3em;
  /* 45 deg ccw rotation */
  -moz-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  /* shadow */
  -moz-box-shadow: 0 0 1em #888;
  -webkit-box-shadow: 0 0 1em #888;
}
.ribbon a {
  border: 1px solid #3a3a3e;
  color: #fff;
  display: block;
  font: bold 100% 'Helvetiva Neue', Helvetica, Arial, sans-serif;
  margin: 0.05em 0 0.075em 0;
  padding: 0.5em 3.5em;
  text-align: center;
  text-decoration: none;
  /* shadow */
  text-shadow: 0 0 0.5em #444;
}

.ribbon a:hover {
	color:#346AA8;
}


body {
    padding:20px 0 30px;
    font:12px/1.5 Arial, sans-serif;
    text-align:center;
    color:#333;
    background:#f3f3f1;
}

a {
    font-weight:bold;
    color:#346AA8;
}

a:hover,
a:focus,
a:active {
    text-decoration:none;
}

.container {
    position:relative;
    z-index:1;
    width:600px;
    padding:20px;
    margin:0 auto;
}

.container:after {
    content:"";
    display:block;
    clear:both;
    visibility:hidden;
    height:0;
    font-size:0;
}


.box {
    float:left;
    height:80px;
    width:40%;    
    padding:1em; 
    margin:2em 10px 4em; 
    background:#fff;
}