#app,body,html{max-width:1920px;min-width:1100px;margin:0 auto;height:100%;background-color:#f2f2f2}.reg-container{background-color:#f2f2f2}.head h1{background-color:#fff;text-align:left;padding:0 20%}.reg-page{display:flex;justify-content:space-around;background-color:#fff;width:80%;margin:20px auto;height:100%}.demo-ruleForm{background-color:#fff;margin:20px 0;width:50%}.codecs{display:flex;justify-content:flex-start;text-align:left}.codecs .code_btn{width:80%}.el-input .inp-btn{background-color:#01be9d;color:#fff}