gallery/app/assets/stylesheets/theater.css

@import url(https://fonts.googleapis.com/css?family=Roboto);

/* Reset and basic styles */

body {
  overflow-x: hidden;
}

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

.gallery-mode-on {
  /*overflow-y: hidden;*/
}


/* Gallery */

#gallery-theater-stage {
  display: none;
}

#gallery-theater-stage > .gallery {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: #000;
  z-index: 2000;
}

.gallery-loader {
  padding: 10px;
  position: absolute;
  display: none;
  left: 50%;
  top: 10px;
  -webkit-transform: translate(-50%, 50%);
  transform: translate(-50%, 50%);
  border-radius: 2px;
  z-index: 2000;
  background-color: rgba(0, 0, 0, .6);
  -webkit-transition: .3s all;
  transition: .3s all;
}

.spinner {
  margin: 0 auto;
  width: 50px;
  height: 20px;
  text-align: center;
  font-size: 0.625rem;
}

.spinner > div {
  background-color: #e8e8e8;
  height: 100%;
  width: 4px;
  display: inline-block;
  -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
  animation: stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.spinner .rect3 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

@-webkit-keyframes stretchdelay {
  0%,
  40%,
  100% {
    -webkit-transform: scaleY(0.4)
  }
  20% {
    -webkit-transform: scaleY(1.0)
  }
}

@keyframes stretchdelay {
  0%,
  40%,
  100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }
  20% {
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}

.gallery-actions {
  position: absolute;
  right: 1rem;
  top: 1rem;
  cursor: pointer;
  background: rgba(255, 255, 255, .7);
  border-radius: 2px;
  z-index: 2000;
}

.gallery-actions-btn {
  padding: 8px 12px 8px 10px;
  display: inline-block;
}

.gallery-actions-btn:hover {
  color: #fff;
}

.touch .gallery-actions-btn {
  padding: 12px 15px 12px 15px;
}

.gallery-toggle-desc.active {
  color: #fff;
}

.gallery-theme-switch {
  border-right: 1px solid rgba(255, 255, 255, .2);
  border-left: 1px solid rgba(255, 255, 255, .2);
}

.gallery-close {
  color: #000;
}

.touch .image-container {
  height: 100%;
  padding-bottom: 150px;
  z-index: 800;
}

.gallery-image {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 60%;
  height: auto;
  cursor: pointer;
}

.no-touch .gallery-image {
  -webkit-transition: .3s all;
  transition: .3s all;
}

.gal-prev {
  display: none;
  left: 0;
  -webkit-transform: translate(-95%, -50%);
  transform: translate(-95%, -50%);
}

.gal-prev:hover {
  -webkit-transform: translate(-94%, -50%);
  transform: translate(-94%, -50%);
}

.gal-next {
  display: none;
  left: auto;
  right: 0;
  -webkit-transform: translate(95%, -50%);
  transform: translate(95%, -50%);
}

.gal-next:hover {
  -webkit-transform: translate(94%, -50%);
  transform: translate(94%, -50%);
}

.gal-inactive {
  -webkit-transition: .3s all;
  transition: .3s all;
  opacity: .3;
}

.gal-inactive:hover {
  opacity: 1;
}

.gal-active {
  display: none;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}


/* Thumbnails */

.gallery-thumb-toggle {
  position: absolute;
  bottom: -1000px;
}

.gallery-thumb-wrap {
  overflow-y: hidden;
  overflow-x: hidden;
  list-style: none;
  margin: 0 auto;
  padding: 10px 0;
  text-align: center;
  white-space: nowrap;
  position: absolute;
  left: 50%;
  bottom: 0;
  -webkit-transition: .3s all;
  transition: .3s all;
}

.gallery-item {
  margin-right: 1em;
  display: inline-block;
}

.gallery-item.active {
  border-radius: 2px;
  border-radius: 0.125rem;
  border: 5px solid #fff;
}

.gallery-thumb {
  width: 50px;
  height: 50px;
  opacity: .5;
  -webkit-transition: .3s opacity;
  transition: .3s opacity;
}

.gallery-thumb:hover {
  opacity: 1;
}

.gallery-thumb-container {
  height: 80px;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background: #1b1b1b;
}

.gallery-thumb-navs {
  display: none;
}

.gallery-thumb-navs.show {
  display: block;
}

.gallery-thumb-nav {
  position: absolute;
  cursor: pointer;
  font-size: 1.4rem;
  color: rgba(255, 255, 255, .7);
  background: #222;
  height: 80px;
  line-height: 80px;
  width: 50px;
  text-align: center;
  z-index: 900;
}

.gallery-thumb-nav:hover {
  color: #fff;
}

.gallery-thumb-prev {
  left: 0;
}

.gallery-thumb-next {
  right: 0;
}

.active .gallery-thumb {
  opacity: 1;
}

.gallery-img-desc {
  color: #000;
  line-height: 1.7;
  padding: 1rem 1.5rem;
  font-family: 'Roboto', sans-serif;
  font-size: 0.8125rem;
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  margin: auto;
  border-radius: 2px;
  width: 90%;
  background-color: #bdbdbd;
  opacity: 0;
  -webkit-transition: .3s all;
  transition: .3s all;
  z-index: 1000;
}

.gallery-img-desc p {
  overflow: hidden;
  height: 90px;
}

.gallery-img-desc:empty {
  display: none;
}

.gallery-img-desc.active {
  opacity: 1;
}


/* White theme */

.theme-white #gallery-theater-stage > .gallery {
  background-color: #fffdf7;
}

.theme-white .gallery-actions {
  background-color: #eee;
  border: 1px solid #ddd;
}

.theme-white .gallery-toggle-desc.active {
  color: #ff4444;
}

.theme-white .gallery-theme-switch {
  border-right: 1px solid #ddd;
  border-left: 1px solid #ddd;
}

.theme-white .gallery-thumb-toggle,
.theme-white .gallery-thumb-toggle:before,
.theme-white .gallery-thumb-toggle:after {
  color: #777;
  border-color: #aaa;
}

.theme-white .gallery-thumb-container {
  background-color: #e2e2e2;
  border-top: 1px solid #c7c7c7;
}

.theme-white .gallery-actions-btn {
  color: #777;
}

.theme-white .gallery-actions-btn:hover {
  color: #ff4444;
}

.theme-white .gallery-item.active {
  border-color: #ff4444;
}

.theme-white .gallery-thumb-nav {
  color: #777;
  background-color: #eee;
}

.theme-white .gallery-thumb-prev {
  border-right: 1px solid #c7c7c7;
}

.theme-white .gallery-thumb-next {
  border-left: 1px solid #c7c7c7;
}

.theme-white .gallery-thumb-nav:hover {
  color: #ff4444;
}

.theme-white .gallery-img-desc {
  background-color: #eee;
}

.theme-white .gallery-loader {
  background-color: #777;
}

.theme-white .spinner > div {
  color: #ff4444;
}

@media screen and (max-width: 768px) {
  .gal-prev {
    -webkit-transform: translate(-101%, -50%);
    transform: translate(-101%, -50%);
  }
  .gal-next {
    -webkit-transform: translate(101%, -50%);
    transform: translate(101%, -50%);
  }
  .gallery-thumb-toggle {
    bottom: 50px;
    left: 0;
    color: #fff;
    width: 100%;
    text-align: center;
    -webkit-transition: .1s all;
    transition: .1s all;
  }
  .gallery-thumb-toggle.up {
    bottom: 96px;
  }
  .gallery-thumb-toggle:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 10%;
    margin: auto;
    width: 38%;
    border-top: 1px solid rgba(255, 255, 255, .2);
    height: 1px;
  }
  .gallery-thumb-toggle:after {
    content: "";
    position: absolute;
    top: 50%;
    right: 10%;
    margin: auto;
    width: 38%;
    border-top: 1px solid rgba(255, 255, 255, .2);
    height: 1px;
  }
  .gallery-thumb-container {
    bottom: -1000px;
    -webkit-transition: .1s all;
    transition: .1s all;
  }
  .gallery-thumb-container.show {
    bottom: 0;
  }
}

/* CSS for button */

@media(max-width: 769px){
  .gallery .gallery-thumb-toggle{
    display: none;
  }
 }

/* 相本裡的左右控制鍵 */
.theaterButton{
position: absolute;
text-align: center;
width: 45%;
bottom: 50px;
background-color: transparent;
border: none;
color: white;
padding: 15px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 2.2rem;
margin: 4px 2px;
cursor: pointer;
border-radius: 5px;
}

#theaterNextButton{
right:0;
}
#theaterPreviousButton{
left:0;
}