.buttons_zone,
#buttons_zone {
  position: relative;
  top: 100px;
  left: 80px;
  padding-bottom: 50px;
  padding-left: 30px;
  width: calc(100vw - 150px);
  z-index: 10;
}

.button {
  display: block;
  width: fit-content;
  margin: 20px 0;
  padding: 10px;
  min-width: 150px;
  max-width: calc(85vw - 100px);
  border: 8px outset;
  border-radius: 20px;
  position: relative;
  touch-action: manipulation;
}

#buttons_zone .button::before {
  content: "";
  position: absolute;
  left: -80px;
  top: 50%;
  width: 72px;
  height: 10px;
}

/* Color-matching line by default - use border colors for proper color */
#buttons_zone .button-orange::before {
  background: var(--orange);
}

#buttons_zone .button-purple::before {
  background: var(--purple);
}

#buttons_zone .button-blue::before {
  background: var(--blue);
}

#buttons_zone .button-green::before {
  background: var(--green);
}

#buttons_zone .button-grey::before {
  background: var(--grey);
}

#buttons_zone .second_to_last_pressed::before,
#buttons_zone .second_to_last_children::before {
  background: var(--black-shine);
  left: -180px;
  width: 172px;
}

#buttons_zone .last_pressed::before,
#buttons_zone .last_children::before {
  background: var(--black);
  left: -180px;
  width: 172px;
}

.button.pressed {
  border-style: inset;
  opacity: 0.9;
}

[data-theme="light"] .button.pressed {
  filter: brightness(0.7) contrast(1.2);
}

[data-theme="dark"] .button.pressed {
  filter: brightness(.85) contrast(1.2);
}

.button-orange.pressed {
  background: var(--orange-border);
}

.button-purple.pressed {
  background: var(--purple-border);
}

.button-blue.pressed {
  background: var(--blue-border);
}

.button-green.pressed {
  background: var(--green-border);
}

.button-grey.pressed {
  background: var(--grey-border);
}

.last_pressed {
  outline: 10px solid var(--black);
  box-shadow: 0 0 15px 10px var(--black);
}

.button-orange {
  background: var(--orange);
  border-color: var(--orange-border);
}

#buttons_zone .button-orange {
  margin-left: 40px;
}

.button-purple {
  background: var(--purple);
  border-color: var(--purple-border);
}

#buttons_zone .button-purple {
  margin-left: 30px;
}

.button-blue {
  background: var(--blue);
  border-color: var(--blue-border);
}

#buttons_zone .button-blue {
  margin-left: 20px;
}

.button-green {
  background: var(--green);
  border-color: var(--green-border);
}

#buttons_zone .button-green {
  margin-left: 10px;
}

.button-grey {
  background: var(--grey);
  border-color: var(--grey-border);
}

.button-white {
  background: var(--black);
  border-color: var(--black-shine);
  color: var(--white);
}

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(6px);
  }
}

@keyframes sparkle {
  0% {
    left: 120%;
    opacity: 1;
  }

  13% {
    opacity: 1;
  }

  25% {
    opacity: 0;
  }

  60% {
    left: -120%;
  }

  100% {
    opacity: 0;
    left: -220%;
  }
}

.unpushed_button {
  position: relative;
  animation: shake 1s linear infinite;
}


/* sparkle sweep */
.unpushed_button::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(120deg,
      transparent,
      var(--white-shine),
      transparent);
  transform: skewX(-20deg);
  animation: sparkle 5s infinite;
}

.button img {
  max-width: 400px;
  max-height: 400px;
}

.button iframe {
  width: 600px;
  height: 300px;
}

.purchase_button {
  width: 250px;
  float: left;
  margin: 10px;
  overflow: hidden;
}

.purchase_button .purchase_description {
  display: none;
  padding-top: 10px;
}

.purchase_button.pressed .purchase_description {
  display: block;
}


hr {
  clear: both;
}