div {
    box-shadow: inset 0 0 1px black;
    background-color: rgb(176, 219, 220);
}

div[class^="container"]{
    box-shadow: inset 0 0 1px blue;
    background-color: transparent;
}

div[class^="row"]{
    box-shadow: inset 0 0 1px red;
    background-color: bisque;
}