.jednicka {
       color: red;
      }
     
      .dvojka {
       color: blue;
      }
      
      .trojka {
       color: maroon;
      }
      
      .ctyrka {
       color: green;
      }

      .petka {
       color: pink;
      }

      .jednickabarva {
       color: red;
      }
     
      .dvojkabarva {
       color: blue;
      }
      
      .trojkabarva {
       color: maroon;
      }
      
      .ctyrkabarva {
       color: green;
      }

      .petkabarva {
       color: pink;
      }
/* odd definice zatim odbarvi */
       .bg-warning {
       background-color: silver;
      }
       .text-success{
       color: green;
      }
       .text-danger{
       color: red;
      }
      .logo {
  background: url(/mdz/img/pec-logo.png) center / contain no-repeat;
  width: 200px;
}