.caly_blok {
        font-size:24px;
        background-color:#DDD;
      }

      .naglowek {
        background-color:LightBlue ;
        text-align:center;
      }

      .article{
        float:left;
        background-color:#DDD;
        min-height:150px;
        width:50%;
      }


      .stopka {
        clear:both;
        background-color:LightSlateGray ;
        text-align:center;
      }

      p {
        margin:0;
        padding:15px;
      }

      img{
          border: 10px solid transparent;
          float:left;
      }