.header {
    display: flex;
    justify-content: space-between;
    align-content: center;
}

.buybottem {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background-color: yellow;
    border: 1px solid black;
    font-size: 16px;
    text-decoration: none;
    margin-left: 200px;
    margin-right: 200px;
    margin-top: 0px;
    width: 180px;
    height: 50px;

}

.picturehome {
    display: grid;
    place-items: center;
    height: 100hv;
    background-image: url(background.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
    color: black;
    overflow-x: hidden;
}