#main{text-align:right}.sub_block{width:45%;display:inline-block}#left_block{text-align:left;margin-top:10px}#right_block{text-align:center}#text{width:70%;height:100px}#qrcode{text-align:center}#qrcode img{margin:0 auto;max-width:90%}.item_ta{width:50px;height:15px}#text_title{font-size:25px;font-weight:600}#generate{display:block;width:70%;height:40px;border-width:0;border-radius:3px;background:#1e90ff;cursor:pointer;outline:0;color:#fff;font-size:17px}#height_o{margin-left:20px}#color_right{margin-left:20px}.options_color{width:80px}.options_div{display:inline-block}@media screen and (max-width:1000px){#height_o{margin-left:0}#color_right{margin-left:0}.sub_block{width:100%}#right_block{float:none}#left_block{width:90%}.options_div{width:100%;margin:5px}}@media screen and (max-width:665px){body{width:90%}}