body {
    background: rgb(240, 240, 240);
}

#dateSpan {
    display: none;
}

article {
    margin: 200px 30px 0 15px;
}

aside {
    width: 300px;
    height: 90%;
    overflow: scroll;
    position: fixed;
    bottom: 50px;
    right: 10px;
    border: 1px solid #000;
    border-radius: 10px;
    padding: 10px;
    background: #FFF;
    transition: all .3s;
    z-index: 60;
}

#asideTrigger {
    position: fixed;
    bottom: 100px;
    right: 310px;
    transform: rotate(90deg);
    background: #FFF;
    font-weight: bold;
    transition: all .5s;
    z-index: 60;
}

aside.aside {
    right: -310px;
}

#asideTrigger.asideTrigger {
    right: -10px;
}