*{
    margin: 0;
    padding: 0;
}
.main{
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.5)50%,rgba(0,0,0,0.5)50%),url("theroad.jpg")
    background-position:center;
    background-image: url("theroad.jpg");
    background-size:cover;
    height: 109vh;

}