.safe-contents {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
}

hr {
    width: 100%;
    height: 10vmin;
    background-color: #ECF6FF;
    margin: 0;
    padding: 0;
    border: none;
    z-index:10;
}

#inside {
    width: 60vmin;
    background-color: #6B6DA8;
    border-width: 0;
}

#inside-wrapper {
    position: absolute;
    z-index: 1;
}

#inside-wrapper:before,
#inside-wrapper:after {
    content: "";
    height: 80%;
    width: 10%;
    top: 0;
    background-image:   radial-gradient(circle at center,  #6B6DA8 1.4vmin, transparent 1.4vmin),
                        radial-gradient(circle at center,  #6B6DA8 1.4vmin, transparent 1.4vmin);
    background-size: 8vmin 8vmin;
    background-position: top left, bottom left;
    background-repeat: no-repeat;
}

#top-shelf {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: flex-end;
}

#bottom-shelf {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: space-around;
    align-items: center;
}

#shoebox {
    width: 28vmin;
}

#newspaper {
    width: 17vmin;
}

#folder {
    width: 17vmin;
    margin-bottom: -5vmin;
}