style.css

@import "https://fonts.googleapis.com/css?family=Rubik+One";

@font-face {
  font-family: 'Nemesis Glyph';
  src: URL('fonts/nemesis.ttf') format('truetype');
}

body {
  background-color: rgba(13, 30, 38, 0);
}

#userInput {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 500px;
  top: 300px;
  opacity: 0.01;
}

.input {
  font-family: 'Nemesis Glyph' ,'Rubik One', sans-serif;
  font-size: 30px;
  text-transform: uppercase;
  text-align: center;
  border: none;
  border-bottom: 5px solid #337799;
  padding: 0;
  background-color: #0d1e26;
  color: #8cbfd9;
}

.input:focus {
  outline: none;
  border-bottom: 5px solid #8cbfd9;
}

input::-moz-selection {
  background-color: rgba(13, 30, 38, 0);
  color: rgba(140, 191, 217, 0.2);
}

input::selection {
  background-color: rgba(13, 30, 38, 0);
  color: rgba(140, 191, 217, 0.2);
}

.error {
  border-bottom: 5px solid #d98c8c;
}

.error:focus {
  border-bottom: 5px solid #d98c8c;
}

#main {
  position: relative;
  overflow: visible;
  width: 100%;
  height: 100%;
}

#kineticType {
  overflow: visible;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

@media (max-width: 400px) {
  #kineticType {
    top: 100px;
  }

  #userInput {
    width: 300px;
    top: 220px;
  }
}