.item_ta{width:95%;height:300px}#encrypt{display:inline-block;width:270px;height:40px;border-width:0;border-radius:3px;background:#1e90ff;cursor:pointer;outline:0;color:#fff;font-size:17px;margin:20px}@media screen and (max-width:665px){.code{width:40%}.item_ta{height:300px;width:90%}body{width:90%}}