.media_block.doclines{border-bottom: 1px solid #ddd;padding: 15px 30px;}.media_block.doclines:hover{background-color: #F3f3f3;}.media_block.doclines h3{margin: 0;}@media only screen and (min-device-width :425px) and (max-device-width :767px){.media_block.doclines h3{font-size: 22px;line-height: 26px;}}@media only screen and (min-device-width :320px) and (max-device-width :424px){.media_block.doclines h3{font-size: 20px;line-height: 24px;}}