#root {
     background-image: none
 }

 .mainFrame {
     width: 80%;
     margin: 45px auto;
     background-color: #f9f9f9;
     opacity: 0.8;
     padding: 20px 20px
 }

 .mainFrame .ant-collapse {
     border: 0
 }

 .mainFrame .ant-collapse .ant-collapse-item i {
     display: none
 }

 .mainFrame .ant-collapse .ant-collapse-item .ant-collapse-header {
     padding: 12px;
     color: #031756;
     font-weight: bold
 }

 @media (max-width: 1154px) {
     .mainFrame {
         margin: 90px auto
     }
 }

 @media (max-width: 424px) {
     .mainFrame {
         margin: 140px auto
     }
 }