html {
    font-family: sans-serif;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    margin:20px;
    background: #ebebeb;
}

body {
    margin: 0
}

.invalid {
    color: #999999;
}

a:focus {
    outline: thin dotted
}

a:active,
a:hover {
    outline: 0
}

h1 {
    font-size: 2em
}

abbr[title] {
    border-bottom: 1px dotted
}

b,
strong {
    font-weight: bold
}

dfn {
    font-style: italic
}

mark {
    background: #ff0;
    color: #000
}

code,
kbd,
pre,
samp {
    font-family: monospace, serif;
    font-size: 1em
}

small {
    font-size: 80%
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline
}

sup {
    top: -0.5em
}

sub {
    bottom: -0.25em
}

img {
    border: 0
}

svg:not(:root) {
    overflow: hidden
}

figure {
    margin: 0
}