div.logo {
    width: 75px;
    height: 75px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: top center;
}
.about-box .section-1 {
    position: relative;
}
.about-box .section-2 {
    display: none;
}
.about-box .gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    margin: 0;
    padding: 30px 0;
    /* "transparent" only works here because == rgba(0,0,0,0) */
    background-image: linear-gradient(to bottom, transparent, white);
}

@media (min-width: 1200px) {
    .display-8 {
        font-size: 1.5rem;
    }
}
.display-8 {
    font-size: calc(1.275rem + 0.3vw);
    font-weight: 300;
    line-height: 1.2;
}
@media (min-width: 1200px) {
    .display-7 {
        font-size: 2rem;
    }
}
.display-7 {
    font-size: calc(1.325rem + 0.9vw);
    font-weight: 300;
    line-height: 1.2;
}
#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
}
html {
    position: relative;
    min-height: 100%;
}
body {
    margin-bottom: 100px;
}
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    min-height: 100px;
}