*,
*:after,
*::before {
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html,
body,
.st-container,
.st-pusher,
.st-content {
    height: 100%;
}
.st-pusher {
    height: auto;
    min-height: 100vh;
}
.st-content {
    overflow-y: scroll;
}

.st-content,
.st-content-inner {
    position: relative;
}

.st-container {
    position: relative;
    overflow: hidden;
}

.st-pusher {
    position: relative;
    left: 0;
    z-index: 99;
    /*height: 100%;*/
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
}

.st-pusher::after {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    background: rgba(0,0,0,0.2);
    content: '';
    opacity: 0;
    -webkit-transition: opacity 0.5s, width 0.1s 0.5s, height 0.1s 0.5s;
    transition: opacity 0.5s, width 0.1s 0.5s, height 0.1s 0.5s;
}

.st-menu-open .st-pusher::after {
    width: 100%;
    height: 100%;
    opacity: 1;
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
}


/*------ */
.st-menu {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    visibility: hidden;
    width: 250px;
    height: 100%;

    background: #fd7e14;
    /*border-right: 1px solid #eee;*/
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
}

.st-menu::after {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.2);
    content: '';
    opacity: 1;
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
}

.st-menu-open .st-menu::after {
    width: 0;
    height: 0;
    opacity: 0;
    -webkit-transition: opacity 0.5s, width 0.1s 0.5s, height 0.1s 0.5s;
    transition: opacity 0.5s, width 0.1s 0.5s, height 0.1s 0.5s;
}

/* content style */

.st-menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.st-menu h2 {
    margin: 0;
    padding: 1em;
    /* 	color: #0f0f0f; */
    color: white;
    text-shadow: 0 0 1px rgba(0,0,0,0.1);
    font-weight: 300;
    font-size: 2em;
}

.st-menu ul li a {
    display: block;
    padding: 1em 1em 1em 1.2em;
    outline: none;
    /*box-shadow: inset 0 -1px rgba(0,0,0,0.2);*/
    /* 	color: #0f0f0f; */
    color: white;
    text-transform: uppercase;
    text-shadow: 0 0 1px rgba(255,255,255,0.1);
    letter-spacing: 1px;
    font-weight: 400;
    -webkit-transition: background 0.3s, box-shadow 0.3s;
    transition: background 0.3s, box-shadow 0.3s;
}

.st-menu ul li:first-child a {
    /*box-shadow: inset 0 -1px rgba(0,0,0,0.2), inset 0 1px rgba(0,0,0,0.2);*/
}

.st-menu ul li a:hover {
    background: rgba(0,0,0,0.2);
    /*box-shadow: inset 0 -1px rgba(0,0,0,0);*/
    color: #fff;
}


.st-effect-11.st-container {
    -webkit-perspective: 1500px;
    perspective: 1500px;
}

.st-effect-11 .st-pusher {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.st-effect-11.st-menu-open .st-pusher {
    -webkit-transform: translate3d(100px, 0, -600px) rotateY(-20deg);
    transform: translate3d(100px, 0, -600px) rotateY(-20deg);
}

.st-effect-11.st-menu {
    opacity: 1;
    -webkit-transform: translate3d(-100%, 0, 0);
    transform: translate3d(-100%, 0, 0);
}

.st-effect-11.st-menu-open .st-effect-11.st-menu {
    visibility: visible;
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.st-effect-11.st-menu::after {
    display: none;
}

/* Fallback example for browsers that don't support 3D transforms (and no JS fallback) */
.no-csstransforms3d .st-pusher,
.no-js .st-pusher {
    padding-left: 300px;
}



.st-effect-9.st-container {
    -webkit-perspective: 1500px;
    perspective: 1500px;
}

.st-effect-9 .st-pusher {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.st-effect-9.st-menu-open .st-pusher {
    -webkit-transform: translate3d(0, 0, -300px);
    transform: translate3d(0, 0, -300px);
}

.st-effect-9.st-menu {
    opacity: 1;
    -webkit-transform: translate3d(-100%, 0, 0);
    transform: translate3d(-100%, 0, 0);
}

.st-effect-9.st-menu-open .st-effect-9.st-menu {
    visibility: visible;
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.st-effect-9.st-menu::after {
    display: none;
}


/* Effect 12: Open door */

.st-effect-12.st-container {
    -webkit-perspective: 1500px;
    perspective: 1500px;
}

.st-effect-12 .st-pusher {
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.st-effect-12.st-menu-open .st-pusher {
    -webkit-transform: rotateY(-10deg);
    transform: rotateY(-10deg);
}

.st-effect-12.st-menu {
    opacity: 1;
    -webkit-transform: translate3d(-100%, 0, 0);
    transform: translate3d(-100%, 0, 0);
}

.st-effect-12.st-menu-open .st-effect-12.st-menu {
    visibility: visible;
    -webkit-transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.st-effect-12.st-menu::after {
    display: none;
}