html {
    scroll-behavior: smooth;
}

body {
    background-color: #DB5547;

}

.bg {
    position: absolute;
    z-index: -1;
    height: 1200px;
}

.dack {
    position: fixed;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    right: 10px;
    bottom: 100px;
    width: 30px;
    height: 60px;
    border: 1px solid #afafaf;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, .2);
}

.dack i {
    font-size: 20px;
    color: #4b4b4b;
    padding-bottom: 5px;
    border-bottom: 1px solid #4b4b4b;
}

.dack samp {
    font-size: 20px;
    color: #4b4b4b;
}

.w {
    max-width: 1400px;
    margin: 0 auto;
}

.nav {
    display: flex;
    margin: 0 auto;
}

.nav-1 {
    display: flex;
}

.nav-2 {
    display: flex;
}