div {
         margin: 0.5rem;
         padding: 0.5rem; 
         background-color: brown;
         border-radius: 0.5rem;
      }
      div small {
         margin-right: 1rem;
         color: darkcyan; }
      div label {
         display: inline-block;
         width: 5rem;
         color: #f8ebeb;
         font-size: 1.3rem;
      }
      div input[type="number"] {
         display: inline-block;
         width: 4rem; 
         font-size: 1.1rem;
      }
      .erkl {
         color: white;
         background-color: darkred;
      }
      .erkl p {
         margin: 0;
         padding: 0 0.5rem; }
      .erkl big {
         padding-right: 1rem; }
      button {
         margin: inherit;
         width: 100%;
      }
       div.erg {
         margin: 0.5rem 0;
         padding: 0.5rem;
         border-radius: 0.5rem;
         color: antiquewhite;
         font-size: 1.5rem;
         text-align: center;
         background-color: red; }
      footer {
         background-color: #62620d;
         display: grid;
         grid-template-columns: 40% auto 40%;
         text-align: center;
      }