/*導覽列圖示變叉叉START*/
.navbar-toggle .icon-bar {
    position: relative;
    transition: all 500ms ease-in-out;
}
/*第一條旋轉45度*/
.navbar-toggle.active .icon-bar:nth-of-type(1) {
    top: 6px;
    transform: rotate(45deg);
}
/*第二條向左飛出*/
.navbar-toggle.active .icon-bar:nth-of-type(2) {
    opacity: 0;
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
}
/*第三條反轉45度*/
.navbar-toggle.active .icon-bar:nth-of-type(3) {
    top: -6px;
    transform: rotate(-45deg);
}
/*導覽列圖示變叉叉END*/

@media (max-width: 991px) {
    .navbar-header {
        float: none;
    }
    .navbar-toggle {
        display: block;
    }

    .navbar-collapse {
        border-top: 1px solid transparent;
        box-shadow: inset 0 1px 0 rgba(230, 9, 9, 0.1);
    }
    .navbar-collapse.collapse {
        display: none!important;
    }
    .navbar-nav>li {
        float: none;
    }
    .navbar-nav>li>a {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .navbar-text {
        float: none;
        margin: 15px 0;
    }
    /* since 3.1.0 */
    .navbar-collapse.collapse.in { 
        display: block!important;
    }
    .collapsing {
        overflow: hidden!important;
    }
}