.tour_header {
    background-color: #F0F0F0;
    padding: 150px 0 100px 0;
    position: relative;
}

.tour_header h1{
    font-size: 3rem;
}

.watchvideo {
    color: #231b5d;
    font-size: .8rem;
    text-decoration: underline;
    position: relative;
    z-index: 1;
    display: block;
    margin-bottom: 16px;
}

.desc_tour_header{
    color: #231b5d;
    font-size: 1.7rem;
    position: relative;
    z-index: 1;
}

.tour_header::after{
    content: ' ';
    width: 100%;
    position: absolute;
    bottom: -1px;
    height: 100px;
    clip-path: polygon(0 80%, 100% 0, 100% 100%, 0% 100%);
    background: #fff;
}