BootStrap Media Queries and Break Points
These are the BootStrap media queries breakpoints use this as reference to know the different breakpoints in bootstrap 3 and 4.
In BootStrap 3 these are the break-points.
@media(max-width:767px){} @media(min-width:768px){} @media(min-width:992px){} @media(min-width:1200px){}
In BootStrap 4 these are the break-points.
@media(min-width:576px){} @media(min-width:768px){} @media(min-width:992px){} @media(min-width:1200px){}
StackOverflow Source: http://stackoverflow.com/questions/18424798/twitter-bootstrap-3-how-to-use-media-queries