/* Шрифты */
@import url('https://fonts.googleapis.com/css?family=Roboto');

/* Основные стили (тут всё очевидно) */

* {
    box-sizing: border-box;
}

html {
    font-size: 20px;
    font-family: 'Roboto', sans-serif;
}

body {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

ul {
    margin: 0;
}

.bg {
    background-image: url(/static/img/bg.jpg);
    width: 100vw;
    height: 84.5vh;
    background-size: cover;
    background-position: center;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.hidden {
    display: none;
}

.preloader_holder {
    top: 0;
    z-index: 10;
    position: fixed;
    height: 100vh;
    width: 100vw;
    background-color: rgba(255,255,255,0.5);
    box-sizing: border-box;
}

.preloader {
    z-index: 21;
    position: relative;
    width: 135px;
    height: 18px;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    padding: 19px 12px;
    border-radius: 13px;
    background: #000 url(/static/img/preloader.gif) no-repeat 12px 12px;
    opacity: .7;
    font: bold 18px Arial;
    text-align: right;
    color: #ccc;
    box-sizing: content-box;
}

footer {
    font-size: 0.75rem;
    padding: 1em;
    text-align: center;
}

/* Стили меню */

.menu-back {
    width: 100%;
    height: 46px;
}

#menu-holder {
    top: 0;
    width: 100%;
    z-index: 20;
    position: fixed;
    background: #3E4156;
}

nav {
    display: block;
}

.menu {
    display: block;
}

.menu li {
    display: inline-block;
    position: relative;
    z-index: 100;
}

.menu li:first-child {
    margin-left: 0;
}

.menu li a {
    text-decoration: none;
    padding: 11px;
    display: block;
    color: #ffffff;
    -webkit-transition: all 0.2s ease-in-out 0s;
    -moz-transition: all 0.2s ease-in-out 0s;
    -o-transition: all 0.2s ease-in-out 0s;
    transition: all 0.2s ease-in-out 0s;
}

.menu li a:hover,
.menu li:hover > a {
    color: #ffffff;
    background: #9CA3DA;
}

.menu ul {
    display: none;
    margin: 0;
    padding: 0;
    width: 150px;
    position: absolute;
    top: 46px;
    left: 0;
    background: #ffffff;
}

.menu ul li {
    display: block;
    float: none;
    background: none;
    margin: 0;
    padding: 0;
}

.menu ul li a {
    font-size: 12px;
    font-weight: normal;
    display: block;
    color: #797979;
    border-left: 3px solid #ffffff;
    background: #ffffff;
}

.menu ul li a:hover, .menu ul li:hover > a {
    background: #f0f0f0;
    border-left: 3px solid #9CA3DA;
    color: #797979;
}

.menu li:hover > ul {
    display: block;
}

.menu ul ul {
    left: 149px;
    top: 0;
}

.mobile-menu {
    display: none;
    width: 100%;
    padding: 11px;
    background: #3E4156;
    color: #ffffff;
    text-transform: uppercase;
    font-weight: 600;
}

.mobile-menu:hover {
    background: #3E4156;
    color: #ffffff;
    text-decoration: none;
}

@media (max-width: 760px) {

    .menu {
        display: none;
        padding: 0 0;
        margin: 0 0
    }

    .mobile-menu {
        display: block;
    }

    nav {
        margin: 0;
        background: none;
    }

    .menu li {
        display: block;
        margin: 0;
    }

    .menu li a {
        background: #ffffff;
        color: #797979;
        border-top: 1px solid #e0e0e0;
        border-left: 3px solid #ffffff;
    }

    .menu li a:hover, .menu li:hover > a {
        background: #f0f0f0;
        color: #797979;
        border-left: 3px solid #9CA3DA;
    }

    .menu ul {
        display: block;
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
    }

    .menu ul ul {
        left: 0;
    }

}