@import url('https://fonts.googleapis.com/css?family=Nunito:300,400,600,700&display=swap');
* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Nunito', sans-serif;
    font-size: 1.2rem;
    line-height: 24px;
    color: #fff;
}

h2 {
    font-size: 2rem;
    line-height: 30px;
    font-weight: bold;
    margin-bottom: 1rem;
}

.title {
    width: 30%;
    position: absolute;
}

.relative {
    position: relative;
}

.intro .title {
    top: 100px;
    left: 200px;
}

.second .title {
    top: 150px;
    right: 100px;
}

.third .title {
    top: 100px;
    left: 100px;
}

.intro {
    background: url(1.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    height: 770px;
}

.second {
    background: url(2.jpg);
    background-repeat: no-repeat;
    background-position: 50% 0;
    background-attachment: fixed;
    height: 1300px;
    overflow: hidden;
}

.third {
    background: url(4.jpg);
    background-repeat: no-repeat;
    height: 600px;
    background-size: cover;
    background-attachment: fixed;
    padding-bottom: 300px;
}

.second-item{
    background: url(3.png);
    background-position: left;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height:1300px;
}