.my-bg-color{
    background-color: green;
    color:white;
    font-size: 25px;
}

/* X-Small devices (portrait phones, less than 576px)
 No media query for `xs` since this is the default */

/* Small devices (landscape phones, 576px and up)*/
@media (min-width: 576px) {
    .my-bg-color{
    background-color: blue;
    color:white;
    font-size: 25px;
}
    
}

/* Medium devices (tablets, 768px and up)*/
@media (min-width: 768px) {
 .my-bg-color{
    background-color: orange;
    color:black;
    font-size: 25px;
}  
}

/* Large devices (desktops, 992px and up)*/
@media (min-width: 992px) {
     .my-bg-color{
    background-color: pink;
    color:black;
    font-size: 25px;
}  
}

/* X-Large devices (large desktops, 1200px and up)*/
@media (min-width: 1200px) {
     .my-bg-color{
    background-color: cyan;
    color:white;
    font-size: 25px;
}  
}





/* XX-Large devices (larger desktops, 1400px and up)*/
@media (min-width: 1400px) {
     .my-bg-color{
    background-color: red;
    color:white;
    font-size: 25px;
}  
    
}