2017-01-17 10 views
15

をメディアブレークポイントの使用:ブートストラップ4-αに私はこれを使用してブートストラップ3では

.something { 
    padding: 5px; 
    @media screen and (min-width: $screen-sm-min) { 
     padding: 20px; 
    } 
    @media screen and (min-width: $screen-md-min) { 
     padding: 40px; 
    } 
} 

にはどうすればブートストラップ4-αで同じことを行うことができますか?私は彼らのドキュメントで例を見つけることができません。 これはvariables.scssにこのような

$grid-breakpoints: (
    xs: 0, 
    sm: 576px, 
    md: 768px, 
    lg: 992px, 
    xl: 1200px 
) !default; 
@include _assert-ascending($grid-breakpoints, "$grid-breakpoints"); 
@include _assert-starts-at-zero($grid-breakpoints); 

答えて

27

使用ブレークポイントのミックスインである:フルオプションと値以下

.something { 
    padding: 5px; 
    @include media-breakpoint-up(sm) { 
     padding: 20px; 
    } 
    @include media-breakpoint-up(md) { 
     padding: 40px; 
    } 
} 

v4 breakpoints reference

v4 alpha6 breakpoints reference


ブレークポイント&アップ(上記の値とにトグル):

@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) { ... } 

ブレークポイント&アップ値:ダウン

// 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) { ... } 

ブレークポイント&(値及びダウンにトグル):

@include media-breakpoint-down(xs) { ... } 
@include media-breakpoint-down(sm) { ... } 
@include media-breakpoint-down(md) { ... } 
@include media-breakpoint-down(lg) { ... } 

breakpoi &ダウン値のnt:のみ

// Extra small devices (portrait phones, less than 576px) 
@media (max-width: 575px) { ... } 

// Small devices (landscape phones, less than 768px) 
@media (max-width: 767px) { ... } 

// Medium devices (tablets, less than 992px) 
@media (max-width: 991px) { ... } 

// Large devices (desktops, less than 1200px) 
@media (max-width: 1199px) { ... } 

// Extra large devices (large desktops) 
// No media query since the extra-large breakpoint has no upper bound on its width 

がブレークポイント:

@include media-breakpoint-only(xs) { ... } 
@include media-breakpoint-only(sm) { ... } 
@include media-breakpoint-only(md) { ... } 
@include media-breakpoint-only(lg) { ... } 
@include media-breakpoint-only(xl) { ... } 

ブレークポイントは、値のみ(のみ値の間で切り替え):

// Extra small devices (portrait phones, less than 576px) 
@media (max-width: 575px) { ... } 

// Small devices (landscape phones, 576px and up) 
@media (min-width: 576px) and (max-width: 767px) { ... } 

// Medium devices (tablets, 768px and up) 
@media (min-width: 768px) and (max-width: 991px) { ... } 

// Large devices (desktops, 992px and up) 
@media (min-width: 992px) and (max-width: 1199px) { ... } 

// Extra large devices (large desktops, 1200px and up) 
@media (min-width: 1200px) { ... } 
2

私がしたようsimilar question here

に答え@サイデンは言った、ミックスインが効くだろう。別のオプションは、次のようにSASS map-getを使用します。..

@media (min-width: map-get($grid-breakpoints, sm)){ 
    .something { 
    padding: 10px; 
    } 
} 

@media (min-width: map-get($grid-breakpoints, md)){ 
    .something { 
    padding: 20px; 
    } 
} 

http://www.codeply.com/go/0TU586QNlV

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