.intro-instructor__media {
    width: 20rem;
    height: 24rem;
}

.intro-instructor__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}



.explain-solver__unit--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.explain-solver__icon-thumb { width: 3rem; height: 3rem; }