article:not(.display) {
    display: none;
}

aside {
    background-color: #ebebeb;
    border-radius: 8px;
    -webkit-border-radius: 8px;
    box-shadow: 3px 3px 15px #666;
    -webkit-box-shadow: 3px 3px 15px #666;
    padding: 10px;
}
aside p {
    font-size: 110%;
}
aside p:last-child {
    margin-bottom: 0;
}