h2 {
  text-shadow: 0.5px 1px 5px rgba(0, 0, 0, 0.5);
}
body {
  background-color: black;
}
input[type="text"],
input[type="number"] {
  background-color: rgb(252, 255, 233);
  padding: 0.3rem 1rem 0.3rem;
  width: 20rem;
  height: 1.5rem;
  border-radius: 0px;
  border-width: 0.2px;
  border-style: solid;
}
::placeholder {
  /* opacity: 0.4; */
  font-weight: 100;
}
div {
  background-color: white;
  margin-top: 15%;
  margin-left: 20%;
  margin-right: 20%;
  /* border: 3px rgb(115, 255, 0) solid; */
  box-shadow: 0px 0px 15px rgba(121, 226, 0, 0.5);
  padding-top: 5px;
  padding-bottom: 1rem;
  border-radius: 1rem;
  border-width: 0;
  animation: colorChange 6s ease-in-out infinite;
}
button {
  margin: 0 1.5rem 0;
  padding: 0.3rem 0.4rem 0.3rem;
  color: rgb(233, 122, 122);
  font-weight: 100;
  font-size: 85%;
  background-color: white;
  border-radius: 7px;
  border-width: 0.2px;
  cursor: pointer;
}
button:hover {
  opacity: 0.7;
  color: black;
  box-shadow: 0px 0px 1px rgba(0, 255, 255, 0.7);
}
@media screen and (max-width: 768px) {
  div {
    margin: 10rem auto 0;
    width: 90%;
  }

  input[type="text"],
  input[type="number"] {
    width: 50%;
  }

  button {
    transform: scale(120%);
    font-weight: bold;
    margin: 0 0.5rem 0;
  }
}
@keyframes colorChange {
  0% {
    box-shadow: 0px 0px 15px rgba(0, 255, 136, 0.884);
  }
  20% {
    box-shadow: 0px 0px 15.5px rgba(54, 255, 171, 0.822);
  }
  40% {
    box-shadow: 0px 0px 16px rgba(0, 200, 226, 0.5);
  }
  60% {
    box-shadow: 0px 0px 16.5px rgba(1, 255, 149, 0.664);
  }
  80% {
    box-shadow: 0px 0px 16px rgb(0, 201, 134);
  }
  100% {
    box-shadow: 0px 0px 15.5px rgb(70, 238, 93);
  }
}