_nav.scss
// Base class
//
// Kickstart any navigation component with a set of style resets. Works with
// `<nav>`s, `<ul>`s or `<ol>`s.
.nav {
// scss-docs-start nav-css-vars
--#{$prefix}nav-link-padding-x: #{$nav-link-padding-x};
--#{$prefix}nav-link-padding-y: #{$nav-link-padding-y};
@include rfs($nav-link-font-size, --#{$prefix}nav-link-font-size);
--#{$prefix}nav-link-font-weight: #{$nav-link-font-weight};
--#{$prefix}nav-link-color: #{$nav-link-color};
--#{$prefix}nav-link-hover-color: #{$nav-link-hover-color};
--#{$prefix}nav-link-disabled-color: #{$nav-link-disabled-color};
// scss-docs-end nav-css-vars
display: flex;
flex-wrap: wrap;
padding-left: 0;
margin-bottom: 0;
list-style: none;
}
.nav-link {
display: block;
padding: var(--#{$prefix}nav-link-padding-y) var(--#{$prefix}nav-link-padding-x);
@include font-size(var(--#{$prefix}nav-link-font-size));
font-weight: var(--#{$prefix}nav-link-font-weight);
color: var(--#{$prefix}nav-link-color);
text-decoration: if($link-decoration == none, null, none);
@include transition($nav-link-transition);
&:hover,
&:focus {
color: var(--#{$prefix}nav-link-hover-color);
text-decoration: if($link-hover-decoration == underline, none, null);
}
// Disabled state lightens text
&.disabled {
color: var(--#{$prefix}nav-link-disabled-color);
pointer-events: none;
cursor: default;
}
}
//
// Tabs
//
.nav-tabs {
// scss-docs-start nav-tabs-css-vars
--#{$prefix}nav-tabs-border-width: #{$nav-tabs-border-width};
--#{$prefix}nav-tabs-border-color: #{$nav-tabs-border-color};
--#{$prefix}nav-tabs-border-radius: #{$nav-tabs-border-radius};
--#{$prefix}nav-tabs-link-hover-border-color: #{$nav-tabs-link-hover-border-color};
--#{$prefix}nav-tabs-link-active-color: #{$nav-tabs-link-active-color};
--#{$prefix}nav-tabs-link-active-bg: #{$nav-tabs-link-active-bg};
--#{$prefix}nav-tabs-link-active-border-color: #{$nav-tabs-link-active-border-color};
// scss-docs-end nav-tabs-css-vars
border-bottom: var(--#{$prefix}nav-tabs-border-width) solid var(--#{$prefix}nav-tabs-border-color);
.nav-link {
margin-bottom: calc(var(--#{$prefix}nav-tabs-border-width) * -1); // stylelint-disable-line function-disallowed-list
background: none;
border: var(--#{$prefix}nav-tabs-border-width) solid transparent;
@include border-top-radius(var(--#{$prefix}nav-tabs-border-radius));
&:hover,
&:focus {
// Prevents active .nav-link tab overlapping focus outline of previous/next .nav-link
isolation: isolate;
border-color: var(--#{$prefix}nav-tabs-link-hover-border-color);
}
&.disabled,
&:disabled {
color: var(--#{$prefix}nav-link-disabled-color);
background-color: transparent;
border-color: transparent;
}
}
.nav-link.active,
.nav-item.show .nav-link {
color: var(--#{$prefix}nav-tabs-link-active-color);
background-color: var(--#{$prefix}nav-tabs-link-active-bg);
border-color: var(--#{$prefix}nav-tabs-link-active-border-color);
}
.dropdown-menu {
// Make dropdown border overlap tab border
margin-top: calc(var(--#{$prefix}nav-tabs-border-width) * -1); // stylelint-disable-line function-disallowed-list
// Remove the top rounded corners here since there is a hard edge above the menu
@include border-top-radius(0);
}
}
//
// Pills
//
.nav-pills {
// scss-docs-start nav-pills-css-vars
--#{$prefix}nav-pills-border-radius: #{$nav-pills-border-radius};
--#{$prefix}nav-pills-link-active-color: #{$nav-pills-link-active-color};
--#{$prefix}nav-pills-link-active-bg: #{$nav-pills-link-active-bg};
// scss-docs-end nav-pills-css-vars
.nav-link {
background: none;
border: 0;
@include border-radius(var(--#{$prefix}nav-pills-border-radius));
&:disabled {
color: var(--#{$prefix}nav-link-disabled-color);
background-color: transparent;
border-color: transparent;
}
}
.nav-link.active,
.show > .nav-link {
color: var(--#{$prefix}nav-pills-link-active-color);
@include gradient-bg(var(--#{$prefix}nav-pills-link-active-bg));
}
}
//
// Justified variants
//
.nav-fill {
> .nav-link,
.nav-item {
flex: 1 1 auto;
text-align: center;
}
}
.nav-justified {
> .nav-link,
.nav-item {
flex-basis: 0;
flex-grow: 1;
text-align: center;
}
}
.nav-fill,
.nav-justified {
.nav-item .nav-link {
width: 100%; // Make sure button will grow
}
}
// Tabbable tabs
//
// Hide tabbable panes to start, show them when `.active`
.tab-content {
> .tab-pane {
display: none;
}
> .active {
display: block;
}
}