#aR {
    width: 300px;
    position: fixed;
    left: -150px;
    margin-left: 50%;
    text-align: center;
    background: #FF0;
    border: 2px solid #F00;
    border-radius: 10px;
    padding: 10px;
    transition: all .3s;
    z-index: 20;
}

aside {
    width: 300px;
    position: fixed;
    left: 10px;
    bottom: 50px;
    border: 1px solid #000;
    border-radius: 10px;
    padding: 10px;
    background: wheat;
    transition: all .3s;
    z-index: 16;
}

aside.aside {
    left: -310px;
}

#aTrig {
    position: fixed;
    left: 320px;
    bottom: 50px;
    font-size: 25pt;
    font-weight: bold;
    transform: rotate(90deg);
    background: wheat;
    transition: all .5s;
    z-index: 15;
}

#aTrig.aTrig {
    left: 10px;
}