body {
        margin: 40px
        auto;
        max-width: 650px;
        line-height: 1.3;
        font-size: 18px;
        color: #444;
        padding: 0
        10px
    }

    h1, h2, h3 {
        line-height: 1.2;
        margin-bottom: 1px;

    }
    .responsive-svg{
	  display: block;
	  margin-left: auto;
	  margin-right: auto;
	  width: 60%;
    }