.container {
    position: relative;
    width: 100%;
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}
.column {
    position: center;
    width: 100%;
    float: center;
    box-sizing: border-box;
}
@media(min-width:400px) {
    .container {
    width: 85%;
    padding: 0;
}
}@media(min-width:550px) {
    .container {
    width: 80%}
.column, .columns {
    margin-left: 0;
}
.column:first-child, .columns:first-child {
    margin-left: 0;
}
}html {
    font-size: 100%}
body {
    background-color: #292929;
    font-size: 18px;
    line-height: 24px;
    font-weight: 400;
    font-family: open sans, HelveticaNeue, helvetica neue, Helvetica, Arial, sans-serif;
    color: #fff;
}
h1 {
    margin-top: 0;
    margin-bottom: 16px;
    font-weight: 800;
}
h1 {
    font-size: 24px;
    line-height: 64px;
    letter-spacing: 0;
}
@media(min-width:550px) {
    h1 {
    font-size: 48px;
    line-height: 96px;
}
}p {
    margin-top: 0;
}
a {
    color: #0085ff;
}
a:hover {
    color: #0085ff;
}
code {
    padding: .2rem .5rem;
    margin: 0 .2rem;
    font-size: 90%;
    color: #000;
    white-space: nowrap;
    background: #f1f1f1;
    border: 1px solid #e1e1e1;
    border-radius: 4px;
}
pre>code {
    display: block;
    padding: 1rem 1.5rem;
    white-space: pre;
}
.button, button {
    margin-bottom: 1rem;
}
fieldset, input, select, textarea {
    margin-bottom: 1.5rem;
}
blockquote, dl, figure, ol, p, pre {
    margin-bottom: 2.5rem;
}
.u-full-width {
    width: 100%;
    box-sizing: border-box;
}
.u-max-full-width {
    max-width: 100%;
    box-sizing: border-box;
}
.u-pull-right {
    float: right;
}
.u-pull-left {
    float: left;
}
hr {
    margin-top: 3rem;
    margin-bottom: 3.5rem;
    border-width: 0;
    border-top: 1px solid #e1e1e1;
}
.avatar {
    vertical-align: middle;
    width: 128px;
    height: 128px;
    border-radius: 50%}
.footer {
    margin-top: 36px;
    padding-bottom: 36px;
}