Bootstrap 4 媒体查询
// Extra small devices (portrait phones, less than 576px)
// No media query since this is the default in Bootstrap
// Small devices (landscape phones, 576px and up)
@media (min-width: 576px) { ... }
// Medium devices (tablets, 768px and up)
@media (min-width: 768px) { ... }
// Large devices (desktops, 992px and up)
@media (min-width: 992px) { ... }
// Extra large devices (large desktops, 1200px and up)
@media (min-width: 1200px) { ... }
Bootstrap 4 在 Sass 中提供源 CSS，您可以通过 Sass Mixins 将其包含在内：
@include media-breakpoint-up(xs) { ... }
@include media-breakpoint-up(sm) { ... }
@include media-breakpoint-up(md) { ... }
@include media-breakpoint-up(lg) { ... }
@include media-breakpoint-up(xl) { ... }
// Example usage:
@include media-breakpoint-up(sm) {
.some-class {
display: block;
}
}
Bootstrap 3 媒体查询
/*========== Mobile First Method ==========*/
/* Custom, iPhone Retina */
@media only screen and (min-width : 320px) {
}
/* Extra Small Devices, Phones */
@media only screen and (min-width : 480px) {
}
/* Small Devices, Tablets */
@media only screen and (min-width : 768px) {
}
/* Medium Devices, Desktops */
@media only screen and (min-width : 992px) {
}
/* Large Devices, Wide Screens */
@media only screen and (min-width : 1200px) {
}
/*========== Non-Mobile First Method ==========*/
/* Large Devices, Wide Screens */
@media only screen and (max-width : 1200px) {
}
/* Medium Devices, Desktops */
@media only screen and (max-width : 992px) {
}
/* Small Devices, Tablets */
@media only screen and (max-width : 768px) {
}
/* Extra Small Devices, Phones */
@media only screen and (max-width : 480px) {
}
/* Custom, iPhone Retina */
@media only screen and (max-width : 320px) {
}
Bootstrap 2.3.2 媒体查询
@media only screen and (max-width : 1200px) {
}
@media only screen and (max-width : 979px) {
}
@media only screen and (max-width : 767px) {
}
@media only screen and (max-width : 480px) {
}
@media only screen and (max-width : 320px) {
}
资源来自：https://scotch.io/quick-tips/default-sizes-for-twitter-bootstraps-media-queries