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

section, article, aside, footer, header, nav {
    display: block;
}

.bio-container, .photo-container {
    background-color: #AB987A;
    color: #F5F5F5;
}

.bio-container {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.bio-text {
    width: 600px;
    padding: 0 20px;
    border-left: 5px solid #424857;
    border-right: 5px solid #424857;
    border-radius: 20px;
    font-size: 16px;
    text-align: justify;
}

.bio-text h2 {
    display: none;
}

.bio-text p {
    padding: 10px 0;
    line-height: 1.25;
}

.photo-container {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.photo-grid {
    width: 600px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.photo-grid-item img {
    width: 190px;
    height: 143px;
    border: 5px solid #424857;
    border-radius: 5px;
    background-color: #424857;
}

.photo-grid-item:first-of-type img {
    border-radius: 20px 5px 5px 20px;
}

.photo-grid-item:last-of-type img {
    border-radius: 5px 20px 20px 5px;
}

@media only screen and (max-width:599px) {
    .bio-text {
        border: none;
    }
    .photo-grid {
        flex-direction: column;
        align-items: center;
    }
    .photo-grid-item {
        padding: 5px 0;
    }
    .key-photo img, .photo-grid-item img, .photo-grid-item:first-of-type img, .photo-grid-item:last-of-type img {
        border-radius: 10px;
    }
}