My goal is to monitor a
<div id="please_monitor_me">margin: 0;).
I am aiming for no margin when the div is not visible so that it can be shown later with a burger button.
https://jsfiddle.net/4tusk977/
During mobile view activation and when the burger button is displayed and clicked, my intention is to eliminate unnecessary margins on the top and bottom of the form.
Check out this quick AngularJS snippet.
To apply specific styles to an element only when it is hidden, simply add the CSS property of your element followed by the class .hg-hide, and override those styles in these rules:
var myApp = angular.module('myApp', []);
myApp.controller('MyCtrl', MyCtrl);
function MyCtrl($scope) {
$scope.name = 'Superhero';
$scope.isVisible = true;
$scope.toggleVisibility = function() {
$scope.isVisible = !$scope.isVisible;
};
}.my-div.ng-hide {
margin: 0px;
}
.my-div {
margin: 50px;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="myApp">
<div ng-controller="MyCtrl">
<button ng-click="toggleVisibility()">
Toggle visibility
</button>
<div class="my-div" ng-show="isVisible">
MY DIV
</div>
<div>
MY OTHER DIV
</div>
</div>
</div>Indeed, Andrey has provided the correct approach. Here is the full code:
.navbar-form {
margin-top: 0;
margin-bottom: 0;
}
@media (min-width: 768px) {
.navbar-form {
margin-top: 8px;
margin-bottom: 8px;
}
}
Check out the updated fiddle
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