header {
    height: 100vh;
    background-attachment: fixed;
    background-position: top;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.main_caption {
    color: #fff;
    font-weight: 700;
    font-size: 40px;
    text-transform: uppercase;
    line-height: 59px;
    margin: auto;
    position: relative;
    width: fit-content;
    font-family: 'Oswald', sans-serif;
}
.main_caption::after {
    position: absolute;
    content: '';
    width: 110%;
    height: 20px;
    background-image: url(../images/waves.svg);
    background-repeat: no-repeat;
    left: 50%;
    bottom: -40px;
    transform: translate(-50%, -50%);
}
.bannerhead{
    font-family: 'Oswald', sans-serif;
    color: #fff;
    font-weight: 700;
    font-size: 40px;
}