#main{text-align:right;height:100%;overflow:hidden}.sub_block{width:45%;display:inline-block}#left_block{text-align:left;margin-top:10px;margin-left:20px;float:left}#right_block{text-align:center}.o_title{font-size:20px}#text{width:130px}.options{width:40px}#placeholder{text-align:center}#placeholder img{margin:0 auto;max-width:90%;vertical-align:middle}.options_color{width:100px}td{border:10px solid #fff}#generate{display:block;width:70%;height:40px;border-width:0;border-radius:3px;background:#1e90ff;cursor:pointer;outline:0;color:#fff;font-size:17px}@media screen and (max-width:1000px){.sub_block{width:100%}#right_block{float:none}#left_block{width:90%}}@media screen and (max-width:665px){body{width:90%}}