Bootstrap 4 Alphaから次のCSSクラスを私のプロジェクトにコピーして、完全に動作します。
.invisible {
visibility: hidden !important;
}
.hidden-xs-up {
display: none !important;
}
@media (max-width: 575px) {
.hidden-xs-down {
display: none !important;
}
}
@media (min-width: 576px) {
.hidden-sm-up {
display: none !important;
}
}
@media (max-width: 767px) {
.hidden-sm-down {
display: none !important;
}
}
@media (min-width: 768px) {
.hidden-md-up {
display: none !important;
}
}
@media (max-width: 991px) {
.hidden-md-down {
display: none !important;
}
}
@media (min-width: 992px) {
.hidden-lg-up {
display: none !important;
}
}
@media (max-width: 1199px) {
.hidden-lg-down {
display: none !important;
}
}
@media (min-width: 1200px) {
.hidden-xl-up {
display: none !important;
}
}
.hidden-xl-down {
display: none !important;
}
Docs
: https://v4-alpha.getbootstrap.com/layout/responsive-utilities/