a img {border:none; }

<style type="text/css">
a:link {color: #0000FF}
a:visited {color: #0000FF}
a:hover {color: #0000FF}
a:active {color: #0000FF}


/* Sortable tables */
table.sortable a.sortheader {
    background-color:royalblue;
    color:white;
    font-weight: normal;
    text-decoration: none;
    display: block;
}


table.sortable span.sortarrow {
    color: white;
    text-decoration: none;
}