index.css

html{
  height: 100%;
}
body{
  height: 100%;
  background-color: #2D2D2D;
  overflow: hidden;
}
main{
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  user-select: none;
}

.logo{
  position: relative;
  display: block;
  width: 120px;
  height: 120px;
  margin: -120px 0px 0px 0px;
  opacity: 0.2;
}
h1{
  margin-bottom: 0px;
  color: white;
  font-family: "Segoe UI", sans-serif;
  font-size: 42px;
  font-weight: 100;
  opacity: 0.8;
}
h3{
  margin-top: 0px;
  margin-bottom: 30px;
  color: white;
  font-family: "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 100;
  text-align: center;
  opacity: 0.8;
}
p{
  margin-top: 0px;
  color: white;
  font-family: "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 100;
  text-align: center;
  opacity: 0.8;
}

#color_picker{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 320px;
  min-width: 320px;
  margin-bottom: 200px;
}
#color_picker .color{
  display: block;
  width: 28px;
  height: 28px;
  margin: 0px 7px 0px 7px;
  background-color: white;
  border-radius: 5px;
  cursor: pointer;
}
#color_picker .color-lightblue{
  background-color: #1DD5EC;
}
#color_picker .color-blue{
  background-color: #1D6DEC;
}
#color_picker .color-darkblue{
  background-color: #341DEC;
}
#color_picker .color-purple{
  background-color: #9B1DEC;
}
#color_picker .color-pink{
  background-color: #EC1DD5;
}
#color_picker .color-magenta{
  background-color: #EC1D6E;
}
#color_picker .color-white{
  background-color: #FFFFFF;
}

#github_link{
  position: absolute;
  z-index: 1;
  bottom: 26px;
  display: block;
  width: 26px;
  height: 26px;
  opacity: 0.7;
  filter: invert(1);
  transition: 0.1s ease all;
}
#github_link:hover{
  opacity: 1;
}