html {
    height: 110%;
}

header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: linear-gradient(to right, rgb(255, 255, 255), rgb(0, 90, 187));
    z-index: 10;
}

#logo {
    height: 100px;
    margin: 5px;
    transition: all .3s;
}

article {
    margin: 120px 20px 20px 20px;
}

#aside {
    position: fixed;
    bottom: 10px;
    left: 10px;
    width: 400px;
    background: #FF0;
    padding: 10px;
    border-radius: 10px;
    transition: all .3s;
}

#aside.aside {
    left: -405px;
}

#dateDiv {
    width: 400px;
    float: right;
    padding: 10px;
    text-align: right;
    font-weight: bold;
    color: #FFF;;
    font-weight: bold;
}