body {
    background-color: #F0F0F0;
}

div.panelContent{
    margin-top:1px;
}

#articleContent img {
    max-width: 100%;
}
.references td {
    display: inline-block;
    min-width: 2em;
    max-width: 680px;
    overflow: auto;
}

.NLM_disp-formula {
    text-align: center;
}

#articleContent .ref img {
    max-width: inherit;
}