/* ~~~~ Text ~~~~ */
.text-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1; /* Занимай всё место */

    max-width: 100%;
    min-width: auto;
}

.text-box p {
    max-width: 100%;
    margin: 0 0 1em;
    font-size: 22px;
    line-height: 1.5;
    color: #333;
    box-sizing: border-box;
}

/* ~~~~ Img ~~~~ */
.img-box {
    max-width: 100%;
    flex-shrink: 0; /* Не сжимать */
    overflow: hidden;
    border: 1px solid silver;
    border-radius: 15px;
    box-sizing: border-box;
}

.img-box > img {
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* ~~~~ UP: Button ~~~~ */
#btn-top {
    max-width: 100%;
    background-color: #654e21;
    color: #c0c1c2;

    margin-top: 50px;
    padding: 8px 16px;

    text-decoration: none;
    border: 1px solid silver;
    border-radius: 50%;

    transition:
            background-color 0.666s ease,
            color 0.666s ease;
}

#btn-top:hover {
    background-color: #745825;
    color: #ffffff;
}