html, body {
  height: 100%;
  overflow: hidden;
}

* {
  text-align: center;
  font-family: sans-serif
}

.bigtext {
  font-size: 60px;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0
}

a, .link {
  color: blue;
  text-decoration: none;
}

a:hover, .link:hover {
  text-decoration: underline;
}

li {
  text-align: left;
}

input[type="number"] {
  width: 50px;
}

input[type="radio"] {
  margin-right: 15px;
}

#sessions {
  display: none;
  margin-top: 2px;
  margin-bottom: -10px;
}

li:nth-of-type(1) {
  display: none;
}

.addbtn {
  display: none;
}

li:nth-of-type(2) > .rightalign > .addbtn {
  display: inline;
}

#savetoggle:checked ~ #sessions {
  display: block;
}

#ver {
  position: absolute;
  top: 0;
  right: 3px;
  margin-top: 0;
}

#darkmode {
  position: absolute;
  top: 0;
  left: 3px;
  margin-top: 0;
}

#emrgbtn {
  margin-top: 20px;
}

.rightalign {
  float: right;
}

.darkmode {
  background-color: black;
  color: white;
}

html.darkmode input, html.darkmode button {
  filter: invert(100%) hue-rotate(180deg);
}

html.darkmode a, html.darkmode .link {
  color: dodgerblue;
}

html.darkmode a:visited {
  color: darkorchid;
}