*{
    margin:0px;
    padding:0px;
}

.fondo-pastel{
    width:100%;
    height:700px;
    background-image: url('https://media.istockphoto.com/photos/confectioner-in-a-uniform-decorates-the-cake-picture-id1281877991?k=20&m=1281877991&s=612x612&w=0&h=QavOOOO_OW8YziB5xLucSw-96mFP-d6ew1gwj0CLBLs=');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}