* {box-sizing: border-box;}

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  font-size: 100%;
  vertical-align: baseline;
}

html {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption, th, td {
  text-align: left;
  font-weight: normal;
  vertical-align: middle;
}

q, blockquote {
  quotes: none;
}
q:before, q:after, blockquote:before, blockquote:after {
  content: "";
  content: none;
}

a img {
  border: none;
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
  display: block;
}

body {
  font-family: sans-serif;
  font-weight: 100;
  background: #fff;
  margin: 0;
}

.header {
  overflow: hidden;
  background-color: #ffffff;
  padding: 10px 10px;
}

.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 10px;
  text-decoration: none;
  font-size: 18px; 
  line-height: 20px;
  border-radius: 4px;
}

.header a.logo {
  font-size: 25px;
  font-weight: bold;
}

.header a:hover {
  background-color: #cceeff;
  color: black;
}

.header a.active {
  background-color: #29a7f5;
  color: white;
}

.header-right {
  float: right;
}

@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  
  .header-right {
    float: none;
  }
}

ul.menubar {
  background: white;
  box-shadow: rgba(0, 0, 0, 0.2) 0 1px 1px;
  list-style: none;
  font-size: 14px;
  padding: 0 10px;
}
ul.menubar > li {
  display: inline-block;
  position: relative;
}
ul.menubar > li > a {
  color: black;
  display: block;
  padding: 10px 14px;
  text-decoration: none;
}
ul.menubar > li > a:hover {
  background: #29a7f5;
  color: white;
}
ul.menubar > li > ul {
  box-shadow: rgba(0, 0, 0, 0.5) 0 5px 15px;
  border-radius: 3px;
  border-top-left-radius: 0;
  display: none;
  position: absolute;
  top: 100%;
  background: white;
  list-style: none;
  width: 15em;
  padding: 10px 0;
}
ul.menubar > li > ul > li > a {
  color: black;
  display: block;
  padding: 8px 20px;
  text-decoration: none;
}
ul.menubar > li > ul > li > a:hover {
  background: #29a7f5;
  color: white;
}
ul.menubar > li > ul > li.separator {
  border-top: 1px solid #ddd;
  margin: 8px;
}
ul.menubar > li.is-selected > a {
  background: #29a7f5;
  color: white;
}
ul.menubar > li.is-selected > ul {
  display: block;
}

.btn-group button {
  background-color: #ffffff;
  border: solid 1px black;
  color: black;
  padding: 10px 10px;
  cursor: pointer;
  width: 100px;
  display: block;
}

.btn-group button:not(:last-child) {
  border-bottom: none; /* Prevent double borders */
}

/* Add a background color on hover */
.btn-group button:hover {
  background-color: #29a7f5;
}