section.blog {
    margin-top: 6rem;
}

.ex_photos h3 {
    width: 100%;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 2.5rem;
    color: white;
    background-color: #39c578;
    text-align: center;
    margin-bottom: 1.5rem;
}

.img_wrap {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.img_wrap+h3 {
    margin-top: 5rem;
}

.img_wrap .before,
.img_wrap .after {
    width: 45%;
    position: relative;
}

.img_wrap .before img,
.img_wrap .after img {
    width: 100%;
    height: auto;
}

.img_wrap .before::before,
.img_wrap .after::before {
    position: absolute;
    color: white;
    border-radius: 2rem;
    font-weight: bold;
    padding: 0.5rem 2rem 0.3rem;
    display: block;
    top: 1rem;
    left: 1rem;
}

.img_wrap .before::before {
    content: 'Before';
    background-color: gray;
}

.img_wrap .after::before {
    content: 'After';
    background-color: #39c578;
}