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

body {
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    font-size: 30px;
    text-align: center;
    margin-top: 50px;
}

ol {
    width: 80%;
    margin: 0 auto;
    font-size: 24px;
}

span {
    font-style: italic;
}

header .bannerDesktop {
    width: 100%;
}

header .bannerMobile {
    width: 100%;
    display: none;
}

footer {
    padding: 100px 0;
    margin-top: 50px;
    display: flex;
    justify-content: space-evenly;
    background-image: linear-gradient(to bottom, #94dc9e, #cafee0, #e1f7ea, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #e0e2f7, #d0c9f8, #abaef4);
}

footer a {
    width: 10%;
}

footer a img {
    width: 100%;
}

@media(max-width: 700px) {
    header .bannerDesktop {
        display: none;
    }
    
    header .bannerMobile {
        display: block;
    }
    footer {
        flex-wrap: wrap;
        background-image: linear-gradient(to bottom, #94dc9e, #cafee0, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff, #d0c9f8, #abaef4);
    }
    
    footer img {
        width: 33%;
        margin: 0 0 50px;
    }
}