styles.css

* {
  box-sizing: border-box;
  font-family: cursive;
}
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ddd;
}
.content {
  display: flex;
  align-items: center;
  flex-direction: column;
  background: #ddd;
}
#start-btn {
  font-size: 26px;
  padding: 10px 20px 10px 20px;
  margin-top: 30px;
  border-radius: 10px;
  background-size: 50px;
  display: inline-flex;
  align-items: center;
}
.dust {
  position: absolute;
}

.infinity {
  position: absolute;
  top: 0;
  left: -12px;
  height: 80px;
  width: 80px;
  transition: all 0.5s ease-in-out;
  user-select: none;
  -moz-user-select: none;
}

.glow-div {
  position: absolute;
  opacity: 100%;
  height: 80px;
  width: 60px;
  border-radius: 50%;
}

.glow-div:hover {
  color: rgba(255, 255, 255, 1);
  box-shadow: 0px 4px 170px rgba(0, 194, 45, 0.56);
  background: radial-gradient(#00c22d8f, #ffffff);
}
#after-snap {
  font-size: xx-large;
}