html {
        font-family: sans-serif;
        -ms-text-size-adjust: 100%;
        -webkit-text-size-adjust: 100%
    }
    
    body {
        margin: 0
    }
    
    article,
    aside,
    details,
    figcaption,
    figure,
    footer,
    header,
    hgroup,
    main,
    menu,
    nav,
    section,
    summary {
        display: block
    }
    
    audio,
    canvas,
    progress,
    video {
        display: inline-block;
        vertical-align: baseline
    }
    
    audio:not([controls]) {
        display: none;
        height: 0
    }
    
    [hidden],
    template {
        display: none
    }
    
    a {
        background-color: transparent
    }
    
    a:active,
    a:hover {
        outline: 0
    }
    
    abbr[title] {
        border-bottom: 1px dotted
    }
    
    b,
    strong {
        font-weight: 700
    }
    
    dfn {
        font-style: italic
    }
    
    h1 {
        font-size: 2em;
        margin: .67em 0
    }
    
    mark {
        background: #ff0;
        color: #000
    }
    
    small {
        font-size: 80%
    }
    
    sub,
    sup {
        font-size: 75%;
        line-height: 0;
        position: relative;
        vertical-align: baseline
    }
    
    sup {
        top: -.5em
    }
    
    sub {
        bottom: -.25em
    }
    
    img {
        border: 0
    }