.bg-whitesmoke{
    background-color: whitesmoke;
}

.bg-firebrick{
    background-color: firebrick;
}

.bg-crimson{
    background-color: crimson;
}

.bg-slategray{
    background-color: slategray;
}

.bg-white{
    background-color: white;
}

.bg-lightgray{
    background-color: lightgray;
}

.bg-yellowgreen{
    background-color: yellowgreen;
}

.bg-lightsteelblue{
    background-color: LightSteelBlue;
}