#big {
            width: 600px;
        }

        select {
            padding: 50px 100px;
        }

        .h1 {
            color: red;
        }

        .h3 {
            color: green;
        }

        .h5 {
            color: blue;
        }

        .none {
            display: none;
        }

        select.h1~.container>h1 {
            display: block;
        }

        select.h3~.container>h3 {
            display: block;
        }

        select.h5~.container>h5 {
            display: block;
        }

        .container {
            display: inline-block;
        }