#header {
    text-align: center;
}

div.note
{
     background-color: #f0f7fb;
     border-left: solid 4px #3498db;
     line-height: 18px;
     overflow: hidden;
     padding: 12px;
}

div.warning
{
     background-color: #f9e7e4;
     border-left: solid 4px #d25547;
     line-height: 18px;
     overflow: hidden;
     padding: 12px;
}