html, body {
  margin: 0px;
  padding: 0px;
  outline: 0px;
  font-family: Open Sans, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1 {
  font-size: 2em;
  line-height: 1em;
  font-weight: 300;
  margin-top: 20px;
  margin-bottom: 40px;
  color: #47525d;
}

h2 {
  font-size: 1.5em;
  font-weight: 300;
  margin-top: 20px;
  margin-bottom: 10px;
  color: #0070cc;
}

h3 {
  font-size: 1.3em;
  font-weight: 400;
  margin-top: 10px;
  margin-bottom: 0px;
  color: #47525d;
  text-decoration: underline;
}

h4 {
  font-size: 1em;
  font-weight: 800;
  color: #47525d;
}

p {
  font-size: 1em;
  line-height: 1.5em;
  font-weight: 400;
  margin-top: 0px;
  margin-bottom: 8px;
  color: #333;
}

li {
  color: #333;
}

p.highlight {
  color: #00C853;
}

a {
  color: #0062af;
  text-decoration: none;
  border-bottom: 1px solid #767676;
}

a:hover {
  border-bottom: #0062af 2px solid;
}

a:visited {
  color: #004881;
}

strong {
  font-weight: 800;
}


.btn-reverse {
    background-color: transparent;
    border: 1px solid #036;
    border-radius: 2px;
    padding: 7px 15px 7px 15px;
}

.btn-negative {
    background-color: white;
    border: 1px solid white;
    border-radius: 2px;
    color: #036;
    padding: 7px 15px 7px 15px;
}

.btn-reverse-negative {
background-color: transparent;
border: 1px solid white;
border-radius: 3px;
color: white;
padding: 7px 15px 7px 15px;
}

.container-fluid {
    width: 100%;

}

.sr-only {
    display: none;
}


footer {
    background-color: white;
    border-top: 0px;
}


section.featureset { margin-bottom: 2em; }

table {
  border-collapse: collapse;
  border-bottom: 5px solid #0070cc;
  width: 100%
}
th { font-weight: 800; }
tbody th { text-align:left; }
thead th {
    background-color: #0070cc;
    color: #f3f3f3;
    padding: 0.5em 0;
    vertical-align: top;
}
th, td {
    border-bottom: thin solid #0070cc;
    padding-top: 0.5em;
    padding-bottom: 0.5em;
}
tbody th, tbody td { padding-left: 0.5em;}
th.feature {
  max-width: 150px;
}
th.feature[rowspan] {
  vertical-align: top;
  padding-top: 1.5em;
}
td.maturity { text-align: center; }
td.maturity img { vertical-align: middle; }
td.impl { min-width: 220px; }
td.seeAlso {
  min-width: 200px;
  font-size: 90%;
}
td img + img { margin-left: 0.25em; }
td ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: -8px;
}
td.milestones {
  font-size: 90%;
  min-width: 150px;
}


/************************************************************
Remove link underlines in table and menu
************************************************************/
.brand a, #side-nav a, table a {
  border-bottom: none;
}



/************************************************************
Styles for the "spec title" column
************************************************************/
.group {
    font-size: smaller;
    color: #777;
}

.group a {
    color: #777;
}
.group a:visited {
    color: #777;
}
.group a:hover {
    border-bottom: #777 2px solid;
}



/************************************************************
Styles for the "current implementations" column
************************************************************/
.ua {
    display: inline-block;
    position: relative;
    width: 40px;
    height: 40px;
    margin: 0 2px;
}

.ua:hover {
    border-bottom: none;
}

.ua abbr {
    position: absolute;
    width: 40px;
    height: 40px;
}

/* Hide text visually but not to accessible tools */
.ua span {
    position: absolute;
    clip: rect(0 0 0 0);
    width: 40px;
    height: 40px;
    overflow: hidden;
}

.ua i {
    position: absolute;
    width: 40px;
    height: 40px;
    background-size: 40px 40px;
    background-position: center;
    background-repeat: no-repeat;
}

/* Stack badges on the right on top of one another */
.ua i:nth-child(n+3) {
    right: -2px;
    width: 20px;
    height: 20px;
    background-size: 20px 20px;
}

.ua i:nth-child(3) {
    bottom: -5px;
    z-index: 4;
}

.ua i:nth-child(4) {
    bottom: 10px;
    z-index: 3;
}

.ua i:nth-child(5) {
    bottom: 25px;
    z-index: 2;
}

/* Browser icons */
.ua .baidu { background-image: url('../impl/baidu.png'); }
.ua .chrome { background-image: url('../impl/chrome.png'); }
.ua .edge { background-image: url('../impl/edge.png'); }
.ua .firefox { background-image: url('../impl/firefox.png'); }
.ua .opera { background-image: url('../impl/opera.png'); }
.ua .qq { background-image: url('../impl/qq.png'); }
.ua .safari { background-image: url('../impl/safari.png'); }
.ua .samsunginternet { background-image: url('../impl/samsunginternet.png'); }
.ua .uc { background-image: url('../impl/uc.png'); }
.ua .webkit { background-image: url('../impl/webkit.png'); }

/* Desktop/Mobile badges */
.ua .desktop { background-image: url('../impl/desktop.svg'); }
.ua .mobile { background-image: url('../impl/mobile.svg'); }
.ua .desktop.mobile { background-image: url('../impl/desktop-mobile.svg'); }

/* Prefix required and behind a flag badges */
.ua .prefix { background-image: url('../impl/prefix.svg'); }
.ua .flag { background-image: url('../impl/flag.svg'); }

/* Implementation may be partial */
.ua .partial {
  background-image: url('../impl/partial.svg');
  background-size: 31px 20px !important;
  bottom: -5px !important;
  width: 31px !important;
  right: 9px !important;
  z-index: 1 !important;
}

/* UA filtering menu */
[data-col|=impl] details {
  display: none;
  position: relative;
  padding: 0 0.1em;
  text-align: left;
  font-weight: 400;
}

[data-col|=impl] details.active {
  display: block;
}

[data-col|=impl] summary {
  font-size: smaller;
  padding-left: 1em;
  outline: none;
  cursor: pointer;
}

[data-col|=impl] div {
  position: absolute;
  left: 0;
  right: 0;
  background-color: #0070cc;
  font-size: smaller;
  z-index: 10;
}

[data-col|=impl] ul {
  list-style: none;
  padding-left: 0;
  margin: 0.6em;
}

[data-col|=impl] li {
  color: inherit;
}

dl dt {
  margin-bottom: 0.3em;
  font-size: 1.1em;
  font-weight: 800;
}
dl dd {
  margin-bottom: 1em;
}


/************************************************************
Styles for the "about" page
************************************************************/
#legend table {
  margin: 2em auto;
}
#legend table td:nth-child(1) {
  width: 80px;
}
#legend img {
  width: 60px;
  height: 60px;
  text-align: center;
}



@media (min-width: 768px) {

    header {
        position: fixed;
        top: 0px;
        left: 0px;
        width: 100%;
        height: 60px;
        z-index: 3;
        background-color: rgba(255,255,255,0.9);
        display: flex;
        flex-direction: row;
        align-items: center;
    }



    footer {
        background-color: white;
        border-top: 1px solid rgba(0,0,0,0.1);
    }

}