html {
 margin: 0;
  padding: 0;
   }
    body { 
     padding: 0;
      margin: 0;
       background: black;
        display: flex;
         flex-direction: column;
          justify-content: center;
           align-items: center;
            }
             .main {
              display: flex;
               flex-direction: column;
                justify-content: center;
                 align-items: center;
                  }
                   img {
                    height: 125px;
                     }
                      iframe {
                       width: 85vw;
                        height: 85vh;
                         max-width: 500px;
                          border: none;
                           }