/*  Basic
 * * * * * * * * * * * * * * */
*,
*:before,
*:after {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}
html,
button,
input,
select,
textarea,
.pure-g [class *= "pure-u"] {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    font-variant: tabular-nums;
    font-feature-settings: 'tnum';
    letter-spacing: 0.01em;
}
pre,
code,
kbd,
samp {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}
code {
    background-color: #f1f1f1;
    border-radius: 6px;
    padding: 3px 6px;
}
body {
    background-color: #fff;
    color: #333;
    line-height: 1.6;
}
a {
    color: #39c;
    text-decoration: none;
}
.float-right {
    float: right;
}
.pure-form select {
    height: auto !important;
}
.little-pure:not(form),
form.little-pure input:not(.normal-pure),
form.little-pure select:not(.normal-pure) {
    padding: 0.25em 0.5em !important;
    height: auto !important;
}
.tiny-pure:not(form),
form.tiny-pure input:not(.normal-pure),
form.tiny-pure select:not(.normal-pure) {
    padding: 0 0.5em !important;
    height: auto !important;
}
table {
    width: 100%;
    margin: 1em 0;
}
.content {
    margin: 0 auto 2em;
    padding: 0 1em;
    max-width: 81em;
}
@media screen and (min-width: 48em) {
    .content {
        padding-left: 2em;
        padding-right: 2em;
    }
}
.msg-error, .msg-info, .msg-success, .msg-fail {
    margin: 1em 0;
    padding: 1em;
    border: 1px solid;
    border-radius: .5em;
}
.msg-error {color: #a94442; background-color: #f2dede; border-color: #ebccd1;}
.msg-info {color: #31708f; background-color: #d9edf7; border-color: #bce8f1;}
.msg-success {color: #3c763d; background-color: #dff0d8; border-color: #d6e9c6;}
.msg-fail {color: #8a6d3b; background-color: #fcf8e3; border-color: #faebcc;}
.msg-error a,
.msg-info a,
.msg-success a,
.msg-fail a {
    color: inherit;
    text-decoration: underline;
}

/*  Layout
 * * * * * * * * * * * * * * */
.banner {
    background-color: #222;
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 3.5625em;
}
.banner .content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}
.title {
    font-size: 1.25em;
    color: #aaa;
}
.title:hover {
    color: #fff;
}
h1 {
    font-size: 1.75em;
}
.challenges {
    float: right;
    width: 100%;
    position: relative;
    z-index: 1;
}
@media screen and (min-width: 48em) {
    .challenges {
        max-width: 32em;
        margin-left: 1em;
    }
}
.challenge,
.flag {
    cursor: pointer;
}
.challenge:hover {
    background-color: #ddf;
}
.challenge-highlight,
.challenge-highlight:hover,
.flag {
    background-color: #eef;
}
.challenge i,
.flag i {
    color: #888;
}
.center {
    text-align: center;
}
table .narrow {
    padding-left: 0;
    padding-right: 0;
}
.category {
    font-size: .75em;
    color: #fff;
    vertical-align: middle;
    padding: 0 .5em;
    border-radius: 100em;
}
.highlight-row {
    background-color: #dff0d8;
}
.main-body {
    word-wrap: break-word;
}
.main-body blockquote {
    background: #f9f9f9;
    border-left: .5em solid #ccc;
    margin: 1em 0;
    padding: 1em .5em;
    overflow: auto;
}
.main-body img {
    max-width: 100%;
}
.logout {
    max-width: 10em;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
@media screen and (min-width: 48em) {
    .main-body img {
        max-width: calc(100% - 33em);
    }
    .logout {
        max-width: 14em;
    }
}
.challenge-column {
    width: 50%;
}
/* revert changes by purecss in form */
#token {
    border: revert;
    background-color: revert;
    padding: revert;
    vertical-align: revert;
    border-radius: revert;
}