#code_block-4-15{background-color:#ccc;width:100%;margin-right:auto;margin-left:auto}#code_block-5-15{background-color:#ccc;display:none;margin-right:auto;margin-left:auto}@media (max-width:479px){#code_block-4-15{overflow:scroll;width:100%}}@media (max-width:479px){#code_block-5-15{overflow:scroll;width:100%}}