.footer
{
    float:left;
    width:100%; 
    text-align: left;
    font-family: Arial;
    font-size: 11px;
    color: #999999;
}
.footer_content
{
    float:left;
   
    width:100%;
}

.footer_left
{
     padding-left:20px;
     float:left;
     width:40%;
}

.footer_right
{
     padding-right:20px;
     float:right;
     width:40%;
}