h1 {
    font-size: 55px;
    text-align: center;
}

h2, h3, h4, h5 { 
    font-size: 30px;
    margin-bottom: -10px;
}

.exh {
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
    text-align: center;
    margin-left: 20px;
    margin-right: 20px;
}

.exh img {
    max-width: 100%;
    max-height: 100%;
}

.exh p {
    font-size: 25px;
    margin-left: 10px;
    margin-right: 10px;
}

.biology, .robotics, .evolution, .cosmology, .ecology {
    background-color: #1C1E2D;
    margin-bottom: 40px;
    padding: 40px 20px 20px 20px;
    padding-bottom: 20px;
}

@media (min-width: 1100px) {
    h2, h3, h4, h5 {
        font-size: 45px;
        margin-bottom: -20px;
    }

    .exh {
        margin-left: 70px;
        margin-right: 70px;
    }

    .exh p {
        margin-left: 100px;
        margin-right: 100px;
    }

    .biology, .robotics, .evolution, .cosmology, .ecology {
        background-color: #1C1E2D;
        margin-bottom: 40px;
        padding: 40px 0px 20px 0px;
        padding-bottom: 20px;
    }
}