body{
    margin: 0;
    padding: 0;
}
.banner-area{
    width: 100%;
    height: 100vh;
    background: url(../images/prapor.jpg);
    background-position: center;
    -webkit-background-size:cover;
    background-size:cover;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}