.teaching-course-grid h4{margin:52px 0 28px}@media (width<=640px){.portrait{align-self:center;width:min(76vw,310px);max-height:none;margin:30px auto 0}.math-image-placeholder{justify-self:center;width:min(76vw,310px);margin:36px auto 0}.teaching-course-grid article{min-height:190px}.teaching-course-grid h4{margin:32px 0 22px}}