add media queries to your website code example
Example: how to setup media query
* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {}
/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {}
/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {}
/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {}
/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {}