html,
body {
  background-color: black;
  color: purple;
  font-family: Arial, Helvetica;
  padding: 0;
  margin: 0;
  min-width: 640px;
  min-height: 480px;
}
@keyframes mainVisibleAnim {
  0% {
    opacity: 0;
  }
  80% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes leftAnimWelcome {
  0% {
    width: 100%;
    font-size: 64px;
    line-height: 64px;
    opacity: 1;
  }
  20% {
    width: 100%;
    font-size: 64px;
    line-height: 64px;
    opacity: 1;
  }
  40% {
    width: 200px;
    font-size: 32px;
    line-height: 32px;
    opacity: 1;
  }
  80% {
    font-size: 32px;
    line-height: 32px;
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes rightAnim {
  0% {
    width: 100%;
    padding-top: 69px;
    transform: rotateY(360deg);
  }
  20% {
    width: 100%;
    padding-top: 69px;
    transform: rotateY(360deg);
  }
  40% {
    width: 500px;
    padding-top: 69px;
    transform: rotateY(180deg);
  }
  80% {
    width: 32px;
    padding-top: 5px;
    transform: rotateY(0deg);
  }
}
#headerRight img {
  object-fit: contain;
  width: 100%;
  max-height: 500px;
}
#headerLeft ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
#headerLeft li {
  display: inline;
  height: 100%;
}
#headerLeft {
  text-align: left;
  position: absolute;
  top: 5px;
  left: 5px;
  opacity: 1;
  animation-name: mainVisibleAnim;
  animation-duration: 2s;
  animation-timing-function: linear;
}
#headerLeftWelcome {
  font-size: 32px;
  line-height: 32px;
  position: absolute;
  padding-top: 5px;
  padding-left: 5px;
  text-align: center;
  width: 200px;
  white-space: nowrap;
  opacity: 0;
  animation-name: leftAnimWelcome;
  animation-duration: 2s;
  animation-timing-function: linear;
}
#headerRightContainer {
  width: 100%;
  text-align: right;
  border-bottom: 1px solid purple;
}
#headerRight {
  padding-top: 5px;
  padding-right: 5px;
  display: inline-block;
  text-align: center;
  width: 32px;
  white-space: nowrap;
  animation-name: rightAnim;
  animation-duration: 2s;
  animation-timing-function: linear;
  transform: rotateY(0deg);
}
.viewRadio {
  display: none;
}
@keyframes selectAnim {
  0% {
    border-bottom-color: rgba(200, 0, 200, 0);
  }
  100% {
    border-bottom-color: #c800c8;
  }
}
@keyframes unselectAnim {
  0% {
    border-bottom-color: #c800c8;
  }
  100% {
    border-bottom-color: rgba(200, 0, 200, 0);
  }
}
.viewLabel {
  height: 32px;
  font-size: 27px;
  border-bottom: 5px solid rgba(200, 0, 200, 0);
  text-align: center;
  min-width: 150px;
  display: inline-block;
  cursor: pointer;
  animation-name: unselectAnim;
  animation-duration: 500ms;
}
.viewLabel label {
  cursor: pointer;
  display: block;
  width: 100%;
}
.viewDiv {
  display: none;
  padding: 10px;
}
#viewDivContainer {
  opacity: 1;
  animation-name: mainVisibleAnim;
  animation-duration: 2s;
  animation-timing-function: linear;
}
.viewDiv a,
.viewDiv a:active,
.viewDiv a:visited {
  color: purple;
  font-weight: bold;
}
#view-main-radio:checked ~ #viewDivContainer #view-main-div {
  display: inherit;
}
#view-main-radio:checked ~ #headerLeft #view-main-label {
  animation-name: selectAnim;
  animation-duration: 100ms;
  animation-iteration-count: 5;
  animation-timing-function: step-start(1);
  border-bottom-color: #c800c8;
}
#view-contact-radio:checked ~ #viewDivContainer #view-contact-div {
  display: inherit;
}
#view-contact-radio:checked ~ #headerLeft #view-contact-label {
  animation-name: selectAnim;
  animation-duration: 100ms;
  animation-iteration-count: 5;
  animation-timing-function: step-start(1);
  border-bottom-color: #c800c8;
}