.col-videos .news-list li:nth-child(n+6),
.col-webcasts .news-list li:nth-child(n+6){
    display: none;
}

.col-tweets .section-heading::before {
    background-image: url('../_images/avatar.jpg');
    background-repeat: no-repeat;
    background-size: 100%;
    border-radius: 50%;
    content: '';
    display: block;
    float: left;
    height: 1em;
    margin: -0.05em 0.15em 0 0;
    padding: 0;
    width: 1em;
}