ul.bars{
list-style: none;
Height: 12px;
Position: absolute;
Top:0;
Width:100%;
Margin:0;
Padding:0;
}

ul.bars li{
Float:left;
Margin:0;
Padding:0;
Width:25%;
Height:12px;
}

li.colour1{
Background-color:#2A8CA5;
} 

li.colour2{
Background-color:#30C5B1;
} 

li.colour3{
Background-color:#F59400;
} 

li.colour4{
Background-color:#E9536E;
}