twbs--bootstrap/scss/_modal.scss

138 lines
3.5 KiB
SCSS

// .modal-open - body class for killing the scroll
// .modal - container to scroll within
// .modal-dialog - positioning shell for the actual modal
// .modal-content - actual modal w/ bg and corners and stuff
// Kill the scroll on the body
.modal-open {
overflow: hidden;
}
// Container that the modal scrolls within
.modal {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: $zindex-modal;
display: none;
overflow: hidden;
// Prevent Chrome on Windows from adding a focus outline. For details, see
// https://github.com/twbs/bootstrap/pull/10951.
outline: 0;
// We deliberately don't use `-webkit-overflow-scrolling: touch;` due to a
// gnarly iOS Safari bug: https://bugs.webkit.org/show_bug.cgi?id=158342
// See also https://github.com/twbs/bootstrap/issues/17695
// When fading in the modal, animate it to slide down
&.fade .modal-dialog {
@include transition($modal-transition);
transform: translate(0, -25%);
}
&.show .modal-dialog { transform: translate(0, 0); }
}
.modal-open .modal {
overflow-x: hidden;
overflow-y: auto;
}
// Shell div to position the modal with bottom padding
.modal-dialog {
position: relative;
width: auto;
margin: $modal-dialog-margin;
}
// Actual modal
.modal-content {
position: relative;
display: flex;
flex-direction: column;
background-color: $modal-content-bg;
background-clip: padding-box;
border: $modal-content-border-width solid $modal-content-border-color;
@include border-radius($border-radius-lg);
@include box-shadow($modal-content-xs-box-shadow);
// Remove focus outline from opened modal
outline: 0;
}
// Modal background
.modal-backdrop {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: $zindex-modal-backdrop;
background-color: $modal-backdrop-bg;
// Fade for backdrop
&.fade { opacity: 0; }
&.show { opacity: $modal-backdrop-opacity; }
}
// Modal header
// Top section of the modal w/ title and dismiss
.modal-header {
display: flex;
justify-content: space-between; // Put modal header elements (title and dismiss) on opposite ends
align-items: center; // vertically center it
padding: $modal-header-padding;
border-bottom: $modal-header-border-width solid $modal-header-border-color;
}
// Title text within header
.modal-title {
margin-bottom: 0;
line-height: $modal-title-line-height;
}
// Modal body
// Where all modal content resides (sibling of .modal-header and .modal-footer)
.modal-body {
position: relative;
// Enable `flex-grow: 1` so that the body take up as much space as possible
// when should there be a fixed height on `.modal-dialog`.
flex: 1 1 auto;
padding: $modal-inner-padding;
}
// Footer (for actions)
.modal-footer {
padding: $modal-inner-padding;
text-align: right; // right align buttons
border-top: $modal-footer-border-width solid $modal-footer-border-color;
@include clearfix(); // clear it in case folks use .float-* classes on buttons
}
// Measure scrollbar width for padding body during modal show/hide
.modal-scrollbar-measure {
position: absolute;
top: -9999px;
width: 50px;
height: 50px;
overflow: scroll;
}
// Scale up the modal
@include media-breakpoint-up(sm) {
// Automatically set modal's width for larger viewports
.modal-dialog {
max-width: $modal-md;
margin: $modal-dialog-sm-up-margin-y auto;
}
.modal-content {
@include box-shadow($modal-content-sm-up-box-shadow);
}
.modal-sm { max-width: $modal-sm; }
}
@include media-breakpoint-up(lg) {
.modal-lg { max-width: $modal-lg; }
}