.slides .ref {
font-size: 15px;
margin-top: -40px;
color: #999999;
}

.ref a:visited, .ref a:link {
color: #999999;
}

.framed {
    border: 1px solid #bfbfbf !important;
}

img {
    border: 0 !important;
    box-shadow: none !important;
    background: none !important;
}

footer {
    font-family: Helvetica, sans-serif;
    position: fixed;
    left: 1rem;
    bottom: 0px;
    z-index: 31;
    font-size: 12px;
    line-height: 1;
}

@media print {
    footer {
        left: auto;
        right: 1rem;
    }
    footer p {
        font-size: 8pt !important;
        font-style: italic;
    }
    footer a:link {
        text-decoration: none;
        font-weight: normal;
    }
    .slides .credit {
        position: relative;
        top: 10px;
        left: 1%;
    }
}