KollerSystems.github.io/navbar.css at master · KollerSystems/KollerSystems.github.io · GitHub

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@import url('https://fonts.googleapis.com/css2?family=Dosis:wght@400;700&display=swap');

:root {
  --background: black;
}

body, html {
  margin: 0;
  padding: 0;
}

#textpanel {
  transition: width 0.45s ease;
  position: fixed;
  width: 1%;
  height: 100%;
  background: black;
  float: left;
  z-index: 2;
}

#textpanel p {
  color: white;
  font-size: 1rem;
  text-align: right;
  padding: 0;
  margin: auto;
  display: inline-block;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.gradientCircle {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-block;
  width: 100%;
  height: 100%;
  filter: blur(6px);
  opacity: 0;
  z-index: -2;
  transition: opacity 0.2s ease;
}

.gradientCircle:nth-of-type(1) {
  background: var(--background);
  background: radial-gradient(circle at 80% 10%, #00152d 0%, var(--background) 40%);
  z-index: -1;
}
.gradientCircle:nth-of-type(2) {
  background: var(--background);
  background: radial-gradient(circle at 30% 50%, #002c5e 0%, var(--background) 50%);
}
.gradientCircle:nth-of-type(3) {
  background: var(--background);
  background: radial-gradient(circle at 100% 90%, #012348 0%, var(--background) 40%);
}

#textpanel:hover {
  transition: width 0.45s ease;
  width: 30%;
}
#textpanel > span {
  transition: opacity 0.35s ease;
  display: flex;
  justify-content: space-evenly;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 100%;
  opacity: 0;
}
#textpanel > span:hover{
  transition: opacity 0.35s ease;
  opacity: 1;
}

#textpanel h3, a {
  color: white;
}

#textpanel h3 {
  text-align: center;
  width: 100%;
  margin: 0;
  font-family: 'Dosis', Arial, Helvetica, sans-serif;
  font-size: 2rem;
}

#textpanel h3 a {
  display: inline-block;
  position: relative;
  transform: translateY(0);
  margin: auto;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  opacity: 1;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
#textpanel h3 a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0.2rem;
  background-color: white;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
#textpanel h3 a:hover::after,
#textpanel h3 a:focus::after {
  opacity: 1;
  transform: translate3d(0, 0.2em, 0);
}
#textpanel h3 a::after {
  opacity: 1;
  transform: scale(0);
  transform-origin: center;
}
#textpanel h3 a:hover::after,
#textpanel h3 a:focus::after {
  transform: scale(1);
}