:root {
    --red-color: #f44336;
    --blue-color: #2196f3;
    --background-color: #05001a;
    --shadow-color: #ffffff59;
}

* { 
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

body {
    background-color: var(--background-color);
    height: 100vh;
    text-align: center;
}

.content {
    position: relative;
    z-index: 1;
    padding-top: 30vh;
    pointer-events: none;
    text-align: center;
}

h1, h2, h3 {
    font-family: 'lato', monospace;
    font-weight: 400;
    font-size: 72px;
    color: #fff;
    text-shadow: 0 0 10px var(--shadow-color);
    margin: 0;
    position: relative;
    user-select: text;
    display: block;
}

h2 {
    font-size: 32px;
    margin-top: 20px;
}

h3 {
    font-size: 16px;
    margin-top: 20px;
}

#typed-strings {
    display: none;
}

.typed-cursor {
    opacity: 1;
    animation: blink 1s infinite;
}

@keyframes blink {
    0% { 
        opacity: 0.5;
        color: var(--blue-color);
    }
    50% { 
        opacity: 0;
    }
    100% { 
        opacity: 0.5;
        color: var(--blue-color);
    }
}

.flex-center {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  position: relative;
  margin-top: 5vh;
  pointer-events: none;
}

.icon-3d {
  padding: 10px;
  -webkit-animation: icon3d 200ms 10;
  animation: icon3d 200ms 10;
  color: #fff;
  margin: 0 15px;
  position: relative;
  cursor: pointer;
  pointer-events: auto;
}

.icon-3d i {
  font-size: 2em;
}

.icon-3d:hover {
  -webkit-animation: icon3d 200ms infinite;
  animation: icon3d 200ms infinite;
}

@keyframes icon3d {
  0% {
    text-shadow: 5px 4px var(--red-color), -5px -6px var(--blue-color);
  }
  25% {
    text-shadow: -5px -6px var(--red-color), 5px 4px var(--blue-color);
  }
  50% {
    text-shadow: 5px -4px var(--red-color), -8px 4px var(--blue-color);
  }
  75% {
    text-shadow: -8px -4px var(--red-color), -5px -4px var(--blue-color);
  }
  100% {
    text-shadow: -5px 0 var(--red-color), 5px -4px var(--blue-color);
  }
}