Answer Page

Another super simple answer.

Answer

The remote location of the logo was 'here' as indicated by the block of CSS down below.

    .left {
        width: 300px;
        height: auto;
        min-height: 100%;
        position: relative;
        background-image: url("https://avatars.githubusercontent.com/u/121910566?s=200&v=4");
        background-size: 180px;
        background-position: center;
        background-repeat: no-repeat;
        border-top-left-radius: 4px;
        border-bottom-left-radius: 4px
    }