html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  margin: 40px;
  background: #f4f4f4;
}

.receipt {
  width: 400px;
  max-width: 100%;
  margin: auto;
  position: relative;
}

.receipt__half {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  position: relative;
  background: white;
  -webkit-perspective: 1000px;
          perspective: 1000px;
}
.receipt__half::after {
  content: '';
  display: block;
  width: 100%;
  height: 100px;
  position: absolute;
  left: 0;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  transition: all 0.8s ease;
  transition-delay: 0.35s;
}
.active .receipt__half::after {
  transition-delay: 0s;
}

.upper {
  padding: 20px;
  z-index: 10;
}
.upper::after {
  top: 100%;
  background: #f7f7f7;
  border-top: 1px dashed #dedede;
  -webkit-transform: rotate3d(1, 0, 0, -90deg);
          transform: rotate3d(1, 0, 0, -90deg);
  -webkit-transform-origin: top center;
          transform-origin: top center;
}
.active .upper::after {
  background: white;
  -webkit-transform: rotate3d(1, 0, 0, 0deg);
          transform: rotate3d(1, 0, 0, 0deg);
}

.lower {
  transition: -webkit-transform 0.8s ease;
  transition: transform 0.8s ease;
  transition: transform 0.8s ease, -webkit-transform 0.8s ease;
  transition-delay: 0.35s;
}
.lower::after {
  bottom: 100%;
  background: #ebebeb;
  -webkit-transform: rotate3d(1, 0, 0, 90deg);
          transform: rotate3d(1, 0, 0, 90deg);
  -webkit-transform-origin: bottom center;
          transform-origin: bottom center;
}
.active .lower {
  border-top: none;
  -webkit-transform: translateY(200px);
          transform: translateY(200px);
  transition-delay: 0s;
}
.active .lower::after {
  background: white;
  -webkit-transform: rotate3d(1, 0, 0, 0deg);
          transform: rotate3d(1, 0, 0, 0deg);
}

h1 {
  margin: 10px 0 20px;
}
h1.page-title {
  text-align: center;
  margin-bottom: 60px;
}

p {
  margin: 0;
}
p.sm {
  font-size: 80%;
}

button {
  width: 100%;
  padding: 15px 20px;
  background: none;
  outline: none;
  border: none;
  border-top: 1px dashed #dedede;
  color: #888;
  font-size: 90%;
  font-weight: 600;
  cursor: pointer;
  transition: all ease 0.35s;
}
button:hover {
  color: #484848;
}

.receipt__content {
  display: flex;
  align-items: center;
  width: 100%;
  height: 200px;
  padding: 20px;
  position: absolute;
  top: 140px;
  left: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  -webkit-transform: translateY(-8px);
          transform: translateY(-8px);
  transition: opacity ease 0.35s, -webkit-transform ease 0.35s;
  transition: opacity ease 0.35s, transform ease 0.35s;
  transition: opacity ease 0.35s, transform ease 0.35s, -webkit-transform ease 0.35s;
  transition-delay: 0;
}
.active .receipt__content {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
  transition-delay: 0.8s;
}

table {
  width: 100%;
}

tr {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}