* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background: #f3f4f6;
}

.banner-fac {
    width: 100%;
    height: 700px;
}

.banner-fac img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
  .banner-fac {
    width: 100%;
    height: 700px;
}

.banner-fac {
    width: 100%;
    height: 100%;
    object-fit: cover;
}  
}