天津投入产出系统后端
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.sidebar.sidebar-fixed {
position: fixed;
top: auto;
float: none !important;
z-index: @zindex-sidebar-fixed;//???!
&:before {
height: 5000px;
top: auto;
bottom: auto;
}
}
//android's default browser has a problem with "top: auto" when fixed
body.mob-safari {
.sidebar.sidebar-fixed {
top: @navbar-min-height;
}
@media (max-width: @screen-topbar-down) {
.navbar-fixed-top:not(.navbar-collapse) + .main-container .sidebar-fixed {
top: (@navbar-min-height * 2);
}
}
//also when .navbar is fixed, .responsive sidebar becomes automatically fixed
@media (max-width: @grid-float-breakpoint-max) {
.navbar-fixed-top + .main-container .sidebar.responsive {
top: @navbar-min-height;
}
}
@media (max-width: @screen-topbar-down) {
.navbar-fixed-top + .main-container .sidebar.responsive {
top: (@navbar-min-height * 2);
}
}
}
/**
//http://updates.html5rocks.com/2012/09/Stacking-Changes-Coming-to-position-fixed-elements
//webkit & Chrome22+ special case
//webkit is not following the standard specs as of Chrome22+
@media screen and (-webkit-min-device-pixel-ratio:0) {
//like it happens in Firefox&IE, we expect when we set "z-index:auto" for fixed position .sidebar,
//the child .submenu elements "z-index" is independent
//and for example a "z-index:1031" .submenu appears on top of a fixed .navbar with "z-index:1030"
//and a "z-index:1010" .popover appears on top of ".sidebar" but below ".submenu"
//but webkit defines a new stacking context on "fixed" position elements(.sidebar here)
//and the above doesn't happen, in fact .submenu inside fixed .sidebar with "z-index:auto" will appear below everything
//so we set a good(?) "z-index" for .sidebar, but still it's not as good as standard specs (such as in Firefox)
//and we may need other workarounds!
//and you may change it based on your needs
//it's possible have standard functionality in Chrome by going to:
//chrome://flags/#fixed-position-creates-stacking-context
//changing "Fixed position elements create stacking contexts" to "Disabled"
//and removing the following rules
//and assignning a higher "@submenu-zindex"
.sidebar.sidebar-fixed {
z-index: @zindex-sidebar-fixed;//???!
&::before {
height: 5000px;
top: auto;
bottom: auto;
}
}
}
*/
//************************************************************************************
//remove the following to disable fixed sidebar (style1 - default) on smaller devices
//if you also want to disable fixed breadcrumbs on smalelr devices, refer to breadcrumbs.less
@media only screen and (max-width: @grid-float-breakpoint-max) {
.responsive.sidebar-fixed {
left: auto;
margin-left: auto;
}
//if `.menu-toggler` button is inside `fixed .navbar` let sidebar become fixed as well
.navbar-fixed-top + .main-container > .responsive {
position: fixed;
left: auto;
margin-left: auto;
-moz-backface-visibility: hidden;
}
//but if `.menu-toggler` button is inside .main-container, then `fixed .navbar` should have no effect
.navbar-fixed-top + .main-container > .menu-toggler + .responsive {
position: absolute;
left: (@sidebar-width);
margin-left: -(@sidebar-width);
-moz-backface-visibility: visible;
}
//unless specified as fixed
.navbar-fixed-top + .main-container > .menu-toggler + .responsive.sidebar-fixed {
position: fixed;
left: auto;
margin-left: auto;
-moz-backface-visibility: hidden;
}
}
@media only screen and (max-width: @grid-float-breakpoint-max) {
.sidebar.responsive.sidebar-fixed {
position: fixed;
left: auto;
margin-left: auto;
}
.main-container .menu-toggler.fixed {
position: fixed;
left: auto;
z-index: @zindex-sidebar-fixed - 1;
-moz-backface-visibility: hidden;
}
//for responsive style # 2
//becuase ".sidebar.responsive-max" is "position: relative" & "margin-left: -190px"
.sidebar.sidebar-fixed.responsive-max {
position: fixed;
left: auto;
margin-left: auto;
}
}