style.css

:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}


body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
  top: 0px;
}

#app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100vh;
  gap: 50px;
}

.card {
  padding: 2em;
}

#data-user {
  display: flex;
}

#animation {
  display: flex;
  max-width: 100%;
  max-height: max-content;
}

#result {
  animation: myfirst 5s linear 2s infinite alternate;
  color: black;
  position: relative;
  font-size: x-large;
}

@keyframes myfirst {
  0%   {color:red; left:0px; top:0px;}
  25%  {color:rgb(0, 255, 21); left:200px; top:0px;}
  50%  {color:blue; left:200px; top:200px;}
  75%  {color:green; left:0px; top:200px;}
  100% {color:red; left:0px; top:0px;}
}