@media(max-width:767px){.a h1{font-size:1.7rem}.about-grid{grid-template-columns:1fr}}@media(min-width:768px){.a{padding:2.5rem}.a h1{font-size:2.3rem}}@media(min-width:1200px){.a,.b{max-width:900px;margin:0 auto}.a h1{font-size:2.6rem}}