* {
    outline: none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font: normal 14px/24px Arial;
    color: #020202;
    background-color: #e3f2f8;
    padding-top: 40px;
}

.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
}
#reg {
    color: #fff;
    text-align: center;
}
.overlay--show {
    display: flex;
}

.overlay__close {
    position: absolute;
    top: 20px;
    right: 20px;
}

header {
    background: #525352;
    color: #fff;
    display: block;
}

a {
    text-decoration: none;
    color: #1379b9;
}

.adv {
    position: fixed;
    bottom: 200px;
    right: 50px;
    display: block;
    width: 100px;
    height: 120px;
    padding: 20px 10px;
    color: #fff;
    text-align: center;
    font: normal 11px/18px Roboto;
    background: url(images/shell1.png) no-repeat center;
    background-size: contain;
}

header .wrap {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 108px;
}

.header__logo {
    min-width: 300px;
}

.header__title {
    font: normal 23px Arial;
    text-shadow: 1px 1px 5px #000;
}

.header__menu a {
    color: #fff;
    margin-left: 20px;
}

main {
    width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 0;
    display: block;
    background: #fff;
}

.breadcrumbs {
    color: #737373;
    font: 700 20px Arial;
    margin-bottom: 40px;
}

.breadcrumbs a {
    color: #737373;
    font: 400 20px Arial;
}

.flex {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.flex--center {
    justify-content: center;
}

.shell1 {
    width: 190px;
    height: 220px;
    background: url("images/shell1.png") no-repeat center;
    background-size: contain;
    padding: 20px;
    color: #fff;
    font-size: 22px;
    margin: 0 40px 10px;
}

.shell2 {
    width: 190px;
    height: 220px;
    background: url("images/shell2.png") no-repeat center;
    background-size: contain;
    padding: 20px;
    color: #fff;
    font-size: 22px;
    margin: 0 20px 10px 20px;
}

.shell5 {
    width: 640px;
    height: 480px;
    background: url('/images/welcome.png') no-repeat;
    position: relative;
    cursor: pointer;
}

a.shell3 {
    width: 170px;
    height: 190px;
    background: url("images/shell3.png") no-repeat left;
    padding: 20px;
    color: #fff;
    font: bold 16px/22px Arial;
    margin: 0 10px 20px;
}

a.shell3:hover {
    background-position: right;
}

a.shell4 {
    width: 170px;
    height: 190px;
    background: url("images/shell4.png") no-repeat left;
    padding: 10px 20px;
    color: #fff;
    font: normal 14px/18px Arial;
    margin: 0 10px 20px;
}

a.shell4:hover {
    background-position: right;
}

h1 {
    margin: 0 0 20px 0;
    padding: 0;
    font: normal 30px Arial;
}

h3 {
    font: 700 18px/25px Arial;
    color: #1379b9;
    text-transform: uppercase;
    margin-bottom: 20px;
}

h2 {
    font: bold 18px Arial;
    margin-bottom: 10px;
}

.standart-menu {
    background: #e4e4e4;
    display: flex;
    justify-content: space-between;
    margin: 0 -20px;
    padding: 40px 20px;
}

.standart-menu a {

}

.title {
    margin-bottom: 40px;
}

.change {
    padding: 40px 0;
    margin: 0 0 40px;
    border-bottom: solid 2px #ccc;
    position: relative;
}

.standart-prev {
    width: 25px;
    height: 50px;
    display: block;
    background: url("/images/prev.png");
    position: absolute;
    top: 100px;
    left: -50px;
    font-size: 50px;
}

.standart-next {
    width: 25px;
    height: 50px;
    display: block;
    background: url("/images/next.png");
    position: absolute;
    top: 100px;
    right: -50px;
    font-size: 50px;
}

.how {
    margin-bottom: 20px;
    font: normal 14px/20px Arial;
}

a.now_more {
    font: bold 14px Arial;
    text-transform: uppercase;
}

.section-video {
    background: #e4e4e4;
    padding: 20px;
    margin: 0 -20px;
}

.video {
    display: flex;
    margin: 0 -10px;
}

.video__div {
    width: 50%;
    margin: 0 10px;
}

.video__div iframe {
    max-width: 100%;
}

ol {
    padding: 0 0 0 20px;
    margin: 0;
    font: normal 14px Arial;
}

ol a {
    color: #020202;
}

ol a:hover {
    color: #1379b9;
}

ol li {
    margin-bottom: 5px;
}

.section-how {
    border-bottom: solid 2px #bababa;
    margin-bottom: 40px;
    padding-bottom: 20px;
}

.qa {
    display: flex;
    margin-bottom: 40px;
}

.qa__div {
    width: 50%;
    border-left: solid 2px #bababa;
    padding: 0 20px;
    color: #737373;
}

footer {
    background: #016bb5;
    color: #fff;
    font: bold 20px/30px Arial;
    padding-top: 40px;
    display: block;
}

.footer__wrap {
    display: flex;
    max-width: 1171px;
    margin: 0 auto 40px;
}

.footer__mcfer {
    min-width: 230px;
    width: 230px;
    border-right: solid 5px #fff;
    padding-right: 20px;
    font: normal 16px/26px Arial;
}

.footer__about {
    padding-left: 65px;
}

.footer__title {
    margin-bottom: 40px;
}

.footer__authors {
    display: flex;
}

.author {
    font: normal 13px/16px Arial;
    padding-right: 20px;
    width: 50%;
}

.author__photo {
    width: 100px;
    height: 100px;
    background: #fff;
    float: left;
    margin-right: 10px;
    border-radius: 50%;
    background-size: cover;
}

.author__name {
    font: normal 15px/15px Arial;
    margin-bottom: 20px;
}

.copyright {
    background: #398ac4;
    font: normal 14px/24px Arial;
    padding: 20px 0;
}

.copyright__wrap {
    display: flex;
    justify-content: space-between;
    max-width: 1171px;
    margin: 0 auto;
}

.copyright__phone {
    width: 200px;
}

.copyright__phone span {
    display: block;
    font-size: 24px;
}