style.css

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

:root {
  /* colors */
  --light-cyan: hsl(193, 38%, 86%);
  --neon-green: hsl(150, 100%, 66%);

  --grayish-blue: hsl(217, 19%, 38%);
  --grayish-dark-blue: hsl(217, 19%, 24%);
  --dark-blue: hsl(218, 23%, 16%);

  /* font */
  --quote: 28px;
}
/* utlities */
body {
  height: 100vh;
  width: 100vw;
  background: var(--dark-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
}
.hidden {
  display: none;
}
/* advice */
.container {
  max-width: 400px;
  position: relative;
  padding: 2rem 1.5rem;
  background: var(--grayish-dark-blue);
  border-radius: 0.5rem;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.container p {
  color: var(--neon-green);
  text-align: center;
  padding: 1rem 0;
  letter-spacing: 0.25rem;
  text-transform: uppercase;
  font-size: 0.75rem;
}
.container h1 {
  font-size: var(--quote);
  text-align: center;
  line-height: 1.2;
  color: var(--light-cyan);
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-mobile.active {
  display: block;
  padding: 1.5rem 0;
  margin: 0 auto;
}
.img-desktop {
  display: none;
  width: 100%;
}
.dice-container {
  position: absolute;
  display: block;
  padding: 1.25rem;
  left: 43%;
  bottom: -2rem;
  background: var(--neon-green);
  border-radius: 100%;
  cursor: pointer;
  transition: box-shadow 0.25s ease;
}
.dice-container:hover {
  box-shadow: 0 0 10px 5px var(--neon-green);
}

@media only screen and (min-width: 600px) {
  .container {
    min-height: 250px;
    min-width: 500px;
  }
  .img-mobile.active {
    display: none;
  }
  .img-desktop.active {
    padding: 2.5rem 0;
    display: block;
  }
}