* {
  box-sizing: border-box;
  font-family: 'Finlandica', sans-serif;
}

body {
  margin: 0;
  background: black;
}

.fullwidth{
  width: 100%;
  text-align: center;
}

.leftblock{
  width: 49%;
  float: left;
  text-align: center;
  padding-bottom: 25px;
}

.rightblock{
  width: 49%;
  float: right;
  text-align: center;
  padding-right: 100px;
  padding-bottom: 50px;
}

.leftslim{
  width: 25%;
  float: left;
  text-align: center;
  padding-top: 100px;
  padding-left: 100px;
}
.middleslim{
  width: 50%;
  float: left;
  text-align: center;
}
.rightslim{
  width: 25%;
  float: right;
  text-align: center;
  padding-top: 100px;
  padding-right: 100px;
}

.mainbutton{
  width: 100%;
  border: 4px solid gray;
  border-radius: 25px;
  background-color: black;
  color: gray;
  font-size: 75px;
}

.mainbutton:hover{
  border: 4px solid white;
  border-radius: 25px;
  background-color: black;
  color: white;
  transition-duration: 0.2s;
}

.featureheader{
  font-size: 300%;
}

.featurecontent{
  font-size: 250%;
  color: lightgray;
}

.visible {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.25s linear;
}

.hidden { 
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0s 0.25s, opacity 0.25s linear;
}

h1 {
  color: white;
}

h2 {
  color: white;
}

h3 {
  color: white;
}

a {
  color: white;
  text-decoration: none;
}
nav {
  border-bottom: solid 0.125rem;
}

.nav-items {
  margin: 0;
  padding: 0;
  display: flex;
}

.nav-items li {
  display: inline-block;
}

.nav-items li a {
  display: block;
  padding: 1rem;
}

#title {
  position: absolute;
  top: 0;
  margin: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
}