practice2/css/common.css

* {
    margin: 0;
    padding: 0;
    vertical-align: top;
    color: inherit;
    font-family: 'Roboto', sans-serif;
    -webkit-transition: all .3s ease;
    -moz-transition: all .3s ease;
    transition: all .3s ease;
    background-repeat: no-repeat;
    font-size: 100%;
}

input::-moz-placeholder {
    color: #fff;
}

textarea::-moz-placeholder {
    color: #fff;
}

textarea::-webkit-input-placeholder {
    color: #fff;
}

input::-webkit-input-placeholder {
    color: #fff;
}

img {
    max-width: 100%;
}

.container {
    width: 1200px;
    max-width: 90%;
    margin: 0 auto;
    /*position: relative;*/
}

.sm {
    display: none !important;
}

a {
    text-decoration: none;
}

section {
    margin-top: 60px;
}

.left, .right {
    display: inline-block;
    width: 49%;
}

.left {
    text-align: left;
}

.right {
    /*text-align: right;*/
}

.quater {
    display: inline-block;
    width: 24.5%;
    text-align: center;
}

.three {
    width: 48%;
    display: inline-block;
    vertical-align: top;
}

.small-three {
    width: 25%;
}

.border-btn {
    width: 180px;
    max-width: 90%;
    height: 50px;
    line-height: 50px;
    display: inline-block;
    text-align: center;
    color: #33aefd;
    border: 1px solid #33aefd;
    text-transform: uppercase;
}

.phone {
    font-size: 27px;
}

/*header styles*/

header {
    background-image: url(../img/bg.png);
    border-bottom: 1px solid #fff;
    background-size: 100%;
    background-size: cover;
    background-position: center center;
    position: relative;
}

header .top-mnu {
    min-height: 130px;
    line-height: 130px;
    background-color: rgba(255, 255, 255, .7);
    width: 100%;
    top: 0;
    left: 0;
    z-index: 99;
}

header .top-mnu .logo {
    vertical-align: middle;
}

nav ul li {
    text-transform: uppercase;
    display: inline-block;
    color: #000;
    font-size: 17px;
    text-align: center;
    width: 30%;
}

nav ul li:hover {
    color: #33aefd;
}

nav ul li:last-child:after {
    display: none;
}

.top-mnu .contacts {
    text-align: right;
    line-height: 50px;
}

/*//slider*/
.slider {
    padding: 250px 0;
    background-color: rgba(0, 0, 0, .6);
    /*padding: 55px 0 60px;*/
}

.slider .slide-item {
    text-align: center;
}

h1 {
    text-transform: uppercase;
    color: #fff;
    font-size: 30px;
    line-height: 80px;
    font-weight: 200;
}

.slider h2 {
    font-size: 23px;
    color: #fff;
    font-weight: 200;

}

img.stripe-block {
    position: absolute;
    top: 10%;
    width: 90%;
    z-index: -1;
}

.em {
    color: #33aefd;
}

.common-h2 {
    text-align: center;
    font-size: 30px;
    margin: 40px auto;
    max-width: 80%;
    width: 740px;

}

.common-h2 .em {
    font-size: 100%;
    text-transform: uppercase;
}

/*chess*/

.chess-item {
    text-align: center;
    display: inline-block;
    font-size: 23px;
    position: relative;
    box-sizing: padding-box;
    margin-top: 40px;
}

.row.top .chess-item {
    width: 32%;
}

.row.bottom .chess-item {
    width: 49%;
}

.chess-item p:before {
    content: " ";
    display: block;
    width: 140px;
    height: 140px;
    position: absolute;
    left: 0;
    top: 0;
    background-image: url(../img/l-stripe.png);
    background-repeat: no-repeat;
}

.advs .chess-item p:before {
    display: none;
}

.advs .chess-item:before {
    content: " ";
    display: block;
    width: 140px;
    height: 140px;
    position: absolute;
    left: 0;
    top: 0;
    background-repeat: no-repeat;
    color: #b0e0ff;
    font-size: 200px;
    line-height: 140px;
    font-weight: 900;
}

.advs .row.top .chess-item:nth-child(1):before {
    content: "1 ";
}

.advs .row.top .chess-item:nth-child(2):before {
    content: "2";
}

.advs .row.top .chess-item:nth-child(3):before {
    content: "3 ";
}

.advs .row.bottom .chess-item:nth-child(1):before {
    content: "4 ";
}

.advs .row.bottom .chess-item:nth-child(2):before {
    content: "5";
}

.chess-item p {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    padding: 40px 0;
    text-align: left;
    padding-left: 40px;
}

section h1 {
    position: relative;
    display: inline-block;
    color: #000;

}

section h1:after {
    content: "";
    display: block;
    position: absolute;
    width: 90px;
    height: 1px;
    background-color: #33aefd;
    top: 50%;
    right: -50%;
}

section h1.rev:after {
    left: -50%;
}

.accept,
.advs {
    background-image: url(../img/bg2.png);
    -webkit-background-size: cover;
    background-size: cover;
    padding-bottom: 20px;

}

.accept .common-h2 {
    font-weight: 100;
}

.border-btn.rev {
    color: #fff;
    background-color: #33aefd;
    display: block;
    margin: 0 auto;
}

.nine-item {
    text-align: center;
    display: inline-block;
    width: 19.5%;
    margin-top: 50px;
    vertical-align: text-bottom;

}

.nine-item img {
    max-width: 40%;
}

.nine-p {
    font-size: 16px;
    margin-top: 20px;
}

.row.bottom-9 .nine-item .img {
    transform: translateX(50%);
}

.advs h2 {
    text-align: left;
    font-weight: 400;
}

.advs .chess-item p {
    padding-top: 20px;
    font-size: 16px;
}

.advs .chess-item p.h2 {
    padding-bottom: 0;
    padding-top: 40px;
    text-transform: uppercase;
    font-size: 28px;
}

.advs .row.bottom .chess-item {
    width: 33%;
    transform: translateX(50%);
}

.async .row.top,
.async .row.bottom {
    position: relative;

}

.async .text-img {
    background-image: url(../img/bg3.png);
    -webkit-background-size: cover;
    background-size: cover;
    display: inline-block;
    margin: 100px 0;
    width: 700px;
    max-width: 60%;
    min-height: 500px;
    text-align: left;

}

.async .row.top img,
.async .row.bottom img {
    position: absolute;
    top: 0;
    max-width: 48%;
    z-index: -1;
}

.async .row.top img {
    right: 0;
}

.async .row.bottom img {
    left: 0;
}

.async .row.bottom {
    text-align: right;
}

.text-img {
    padding: 40px;
}

.text-img .head {
    font-size: 50px;
    font-weight: bold;
    text-transform: uppercase;
    width: 50%;

}

.container.h1-rev {
    text-align: right;

}

.content {
    max-width: 70%;
    padding-left: 100px;
    position: relative;
    margin-top: 20px;
    /*font-size: 20px;*/
    max-width: 370px;

}

.content:after {
    content: "";
    display: block;
    position: absolute;
    width: 70px;
    height: 1px;
    background-color: #33aefd;
    top: 17px;
    left: 0%;
}

.content * {
    padding-top: 10px;
    font-size: 17px;
}

.serv-type {
    margin-top: 10px;
    list-style-type: none;
}

.serv-type li:before {
    content: " ";
    display: inline-block;
    width: 5px;
    height: 5px;
    background-color: #33aefd;
    margin-right: 10px;
    margin-left: 10px;
    vertical-align: middle;
}

.icons-item {
    display: inline-block;
    width: 24%;
    text-align: center;
    vertical-align: bottom;
    margin-top: 30px;
}

.icons-item img {
    max-width: 80%;
}

.clients {
    padding-bottom: 50px;
}

footer {
    background-color: #33aefd;
    color: #fff;
    padding-top: 30px;
}

.sign {
    border-top: 1px solid #fff;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}

.city {
    font-weight: 100;
    font-size: 24px;
}

.addr,
.mail,
.phone {
    font-size: 17px;
    margin-top: 15px;
    max-width: 330px;
    font-weight: 100;
}

.phone {
    max-width: 100%;
}

.num {
    font-size: 30px;
    margin-top: 15px;
}

form {
    margin-top: 20px;
    max-width: 330px;

}

.field:focus {
    border: 1px solid #fff;
    outline: none;
}

.field {
    border: 1px solid #fff;
    width: 300px;
    height: 50px;
    background-color: transparent;
    box-sizing: border-box;
    padding-left: 5px;
    margin-top: 10px;
    -webkit-appearance: none;
}

.field.sub {
    color: #33aefd;
    background-color: #fff;
}

.center {
    display: inline-block;
    text-align: left;
    position: relative;
}

footer .left,
footer .right {
    text-align: center;
    position: relative;
}

footer .left .center:after {
    content: "";
    display: block;
    margin-top: 225px;
    width: 90px;
    height: 2px;
    background-color: #FFF;
}

.content.lh {
    line-height: 35px;
}

.error {
    border: 1px solid lightcoral !important;
}

.popup {
    background-color: #363739;
    min-height: 70vh;
    /*width: 380px;*/
    position: fixed;
    top: 0;
    right: 0;
    padding: 3% 5%;
    max-width: 50%;
    display: none;
    color: #fff;
}

.popup .close {
    width: 30px;
    height: 30px;
    float: right;
    color: #fff;
    font-size: 40px;
}

.popup .submit {
    width: 100%;
    background-color: #009bfe;
    margin-top: 40px;
    color: #fff;
    border: none;
    outline: none;
    height: 50px;
    line-height: 50px;
    text-transform: uppercase;
}

.popup .title {
    font-size: 30px;
    color: #fff;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 5px;
}

.popup .nameText {
    color: #6a98b0;
    font-size: 20px;
    text-align: left;
    margin-top: 35px;
    margin-bottom: 12px;
}

.popup .textArea {
    width: 100%;
    background-color: #363739;
    border: solid 2px #fff;
    line-height: 36px;
}

.popup form {
    max-width: 100%;
}