@charset "utf-8";

html, body {
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #eee;
}

h1 {
  margin: 0;
  font-size: 3rem;
  color: #eee;
  letter-spacing: 3px;
  text-shadow: -1px -1px #999, 1px 1px #fff;
}

.wrap__head,
.wrap__foot {
  text-align: center;
}

.wrap__body {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.ball {
  display: flex;
}

.ball__item {
  width: 5rem;
  line-height: 5rem;
  margin-left: .5rem;
  margin-right: .5rem;
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  background-image: radial-gradient(#fff, rgb(255, 216, 145));
  border-radius: 50%;
  box-shadow:
    -5px -5px 10px rgb(207, 110, 0) inset,
    -15px -15px 25px rgb(255, 157, 0) inset;
}

.btn {
  padding: .5rem 1rem;
  font-size: 1rem;
}