@media (max-width:390px){.reading-section{width:100%}.img{width:70%}}@media (min-width:391px) and (max-width:620px){.reading-section{width:100%}.img{margin-left:auto;margin-right:auto;width:70%}}@media (min-width:621px) and (max-width:870px){.reading-section{width:100%}.img{margin-left:auto;margin-right:auto;width:50%}}