The themes built together with Bootstrap codes, and the WordPress theme we developed, support all the more sensitive devices if they are more powerful with Bootstrap.
Because bootstrap is the most popular responsive code system of technology. The user is better in terms of convenience. Site visitors and site owners are more frequently selected sites.
There is not one that does not use this system that has become more popular in 2018 and later on. The flexibility of the site content, regardless of the content of the device, the contents of the sub-alt are gathered to get the theme of that device. The tablet and the mobile both know that they notice when using the users. Feeling happy to hear this bootstrap.
We have learned that now there are no old themes other than the bootstrap and similar systems developed by Google.