.pure-img-responsive {
    max-width: 100%;
    height: auto;
}

/*
Add transition to containers so they can push in and out.
*/
#layout,
#menu,
.menu-link {
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -ms-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
}

/*
This is the parent `<div>` that contains the menu and the content area.
*/
#layout {
    position: relative;
    padding-left: 0;
}
    #layout.active {
        position: relative;
        left: 150px;
    }
/*
The content `<div>` is where all your content goes.
*/
.content {
    margin: 0 auto;
    padding: 0 2em;
    max-width: 1200px;
    margin-bottom: 50px;
    line-height: 1.6em;
}

.header {
     margin: 0;
     text-align: center;
 }
    .header h1 {
        margin: 0.2em 0;
        font-size: 3em;
        font-weight: 300;
    }
     .header h2 {
        font-weight: 300;
        color: #ccc;
        padding: 0;
        margin-top: 0;
    }

.content-subhead {
    margin: 50px 0 20px 0;
    font-weight: 300;
    color: #888;
}
/* -- Responsive Styles (Media Queries) ------------------------------------- */

/*
Hides the menu at `48em`, but modify this based on your app's needs.
*/
@media (min-width: 48em) {

    .header,
    .content {
        padding-left: 2em;
        padding-right: 2em;
    }

    #layout {
        left: 0;
    }
    #menu {
        left: 150px;
    }

    .menu-link {
        position: fixed;
        left: 150px;
        display: none;
    }

    #layout.active .menu-link {
        left: 150px;
    }
}