/** banners **/
.banner {
    width: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    margin-bottom: 2rem;
    color: #fff;
    font-family: Roboto, Arial;
    display: flex;
    flex-flow: column;
    justify-content: space-evenly;
}
.banner h1 {
    font-weight: 400;
    font-size: 3rem;
}
.banner h1,
.banner h2 {
    padding: 0;
    margin: 0 1rem;
}
.banner h2 {
    font-weight: 300;
}
.banner span {
    font-weight: 700;
}
@media screen and (min-width:768px) {
    .banner h1 {
        font-weight: 600;
        font-size: 3.5rem;
    }
    .banner h2 {
        font-size: 2rem;
    }
}
@media screen and (min-width:1024px) {
    .banner h1,
    .banner h2 {
        margin: 0 3rem;
    }
}
@media screen and (min-width:1440px) {
    .banner h1,
    .banner h2 {
        margin: 0 7rem;
    }
}