.monitor{
    width: calc(100% - 150px);
    height: 415px;
    margin-right: 10px;
    display: block;
    float: left;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 8px;
    transition: background 0.5s;
}
.slide-deck{
    width: 140px;
    display: block;
    float: left;
}
.slide-deck img{
    height: 100px;
    width: 100%;
    object-fit: cover;
    border-radius: 5px;
    display: block;
    clear: right;
    margin-bottom: 5px;
}

@media screen and (max-width: 700px) {
    .monitor{
        width: 100%;
        margin-right: auto;
        float: none;
    }
    .slide-deck{
        float: none;
        width: 100%;
        margin-top: 10px;
    }
    .slide-deck img{
        width: calc(25% - 5px);
        clear: none;
        display: block;
        float: left;
        margin-right: 5px;
    }
}