.custom-top {
    /*margin-top: 50px;*/
    background-image: url(back.jpg);
    background-size: cover;
    position: relative;
    background-position: 0 -50px !important;
}
.custom-top::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 50px;
    top: -49px;
    left: 0;
    -webkit-clip-path: polygon(0% 100%, 15% 41%, 28% 84%, 45% 21%, 63% 84%, 77% 10%, 84% 95%, 94% 56%, 100% 100%);
    clip-path: polygon(0% 100%, 15% 41%, 28% 84%, 45% 21%, 63% 84%, 77% 10%, 84% 95%, 94% 56%, 100% 100%);
    background-image: inherit;
    background-size: cover;
    /*background-position: 100px 5px;*/
}