@media only screen and (max-width :850px){.j-banner p{font-size:16px}.j-banner p:nth-child(2){font-size:40px}.j-banner p:nth-child(4){font-size:40px}.j-banner p:nth-child(5){font-size:14px}}@media only screen and (max-width :550px){.j-banner p{font-size:14px}.j-banner p:nth-child(2),.j-banner p:nth-child(4){font-size:36px}.j-banner p:nth-child(5){font-size:14px}.j-tin-tuc .row{grid-template-columns:repeat(1,1fr)}}