html {
        font-family: sans-serif;
        background: white;
      }

      body {
        margin: 0;
        background-color: white;
        min-height:980px;
		    min-width: 200px;
      }
      main {
      	display:flex;
        flex-wrap:wrap;
        margin-top:80px;
        width: 100%;
      }
      aside {
      	flex: 1;
        border-right: 1px gray solid;
        padding: 10px;
      }
      article{
      	flex: 5;
        padding: 10px;
      }

      @media (max-width: 768px) {
        main {
          flex-direction: column;
        }
        aside {
          /*width: 100%;*/
          border: 1px solid gray;
          display: none;
        }
      }