Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                transition-group name="fade" tag="div" class="flex" :css="false" appear="" v-on:before-enter="beforeItemEnters" v-on:enter="whenItemEnters"
  book v-for="(book, index) in books.artbooks" :key="book.id" :title="book.title" :subtitle="book.subtitle" :description="book.description" :image="book.image" :groove="book.groove" :book-styles="book.bookStyles" :obi-styles="book.obiStyles" :data-index="index"
              
            
!

CSS

              
                /*
|----------------------------------------------------
| Book UI Component: A Study
|----------------------------------------------------
*/

// A little preparation first
body {
  font-family: 'Open Sans', Arial, sans-serif;
  padding: 3.2rem;
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/16584/retina_wood.png');
  perspective: 1800px;
  perspective-origin: left center;
}

[slot] { height: 100%; }

// To ease up layouting a little, I use flexbox
.flex {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
  flex-wrap: wrap;
  height: 100%;
}

/*
|----------------------------------------------------
| The book itself
|----------------------------------------------------
| One special thing to notice is the different use
| of shadows. Instead of just one, generic shadow
| I wanted to simulate different shadows when
| lifting, tilting and flipping a book.
| Try hovering, pressing down and clicking to tilt,
| lift and flip one of the books (or both).
*/
.v-book {
  $v-default-transition: 480ms ease-in-out;
  $v-shadow-when-not-lifted: 3px 3px 15px hsla(0, 0%, 0%, .25);
  $v-shadow-when-lifted: 30px 16px 40px hsla(0, 0%, 0%, .15);
  $v-shadow-when-lifted-and-flipped: -30px 16px 40px hsla(0, 0%, 0%, .15);
  $v-shadow-when-tilted: 15px 8px 20px hsla(0, 0%, 0%, .25);
  
  flex-shrink: 0;
  margin: 3.618rem;
  width: 22.1rem;
  height: 29.97rem;
  transform-style: preserve-3d;
  transition: all $v-default-transition;
  cursor: pointer;
  
  &.is-flipped {
    transform: translate3d(0, 0, 140px) rotate3d(0, 1, 0, 180deg);
    
    .v-book__cover.is-back {
      box-shadow: $v-shadow-when-lifted-and-flipped;
    }
  }
  
  &:not(.is-flipped) {
    &:hover {
      transform: translate3d(0, 0, 0) rotate3d(0, 1, 0, 25deg);
      .v-book__cover.is-back {
        box-shadow: $v-shadow-when-tilted;
      }      
    }
    &:active {
      transform: translate3d(0, 0, 140px) rotate3d(0, 1, 0, 25deg);
      z-index: 100;
      user-select: none;
      .v-book__cover.is-back {
        box-shadow: $v-shadow-when-lifted;
      }      
    }
  }
  
  &.has-groove .v-book__cover::after {
    $groove-shadow: 0 2px 0 hsla(0, 0, 0, .05);
    position: absolute;
    top: 0;
    left: 3px;
    height: 100%;
    width: 10px;
    box-shadow:
      3px $groove-shadow inset,
      -3px $groove-shadow inset;
    content: '';
  }
  
  &.has-groove .v-book__cover.is-back::after {
    left: auto;
    right: 3px;
  }
  
  &__cover {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 3.236rem;
    background-color: white;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    transition: box-shadow $v-default-transition;
    
    &.is-front {
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 0;
      transform-origin: 0% 50%;
      transform: translate3d(0, 0, 5px);
      transition: transform $v-default-transition;
      z-index: 10;
      border-radius: 1px 3px 2px 1px;
    }
    
    &.is-back {
      transform: rotate3d(0, 1, 0, -180deg) translate3d(0, 0, 6px);
      box-shadow: $v-shadow-when-not-lifted;
      background-color: white;
      border-radius: 3px 1px 2px 2px;
    }
  }
  
  @mixin spineBase {
    position: absolute;
    top: 0;
    left: -7px;
    width: 14px;
    height: 100%;
    transform: rotate3d(0, 1, 0, -90deg);   
  }  
  
  &__spine {
    @include spineBase;
    background-color: white;
  }
  
  &__obi {
    position: absolute;
    left: -1%;
    bottom: 15px;
    padding: 1.618rem;
    width: 102.5%;
    height: 80px;
    background-color: hsla(0,0,100%,.75);
    box-shadow: 0 2px 3px 0 hsla(0,0,0,.1);
    transform: translate3d(0, 0, 6px);
    transform-style: inherit;
    z-index: 1;
    border-radius: 1px;
    
    &.is-back {
      transform: rotate3d(0, 1, 0, -180deg) translate3d(0, 0, 6px);
    }
    
    // Obi Spine
    &::after {
      @include spineBase;
      background-color: inherit;
      box-shadow: inherit;
      content: '';
    }
  }
  
  &__title {
    font-size: 2.25rem;
    font-weight: 700;
  }
  
  &__subtitle {
    font-size: 1.2rem;
    font-weight: 600;
  }
  
  &__description {
    font-size: 1.412rem;
    margin: 0;
  }
}

/*
|----------------------------------------------------
| A little loader. Hopefully you won't even see it
|----------------------------------------------------
*/
.v-loader {
  position: absolute;
  font-size: 72px;
  opacity: 0;
  animation: pulse 800ms alternate infinite;
  
  @keyframes pulse {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

              
            
!

JS

              
                /*
|----------------------------------------------------
| A little BEM helper, not required though
|----------------------------------------------------
*/
let BEM = {
  computed: {
    BEMBlock () {
      return `v-${this.$options.name}`
    },
    BEMElement () {
      return `v-${this.$parent.$options.name}__${this.$options.name}`
    }
  }
}

/*
|----------------------------------------------------
| Some Mock Data
|----------------------------------------------------
*/

const ARTBOOKS = [
  {
    id: '001',
    title: 'Artworks',
    subtitle: 'Tactics Ogre',
    description: 'Full page and full color llustrations Sketches, for the game. 8.25" x 11.75", 232 pgs, all in color.',
    image: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/16584/tactics_ogre_cover.jpg',
    groove: true,
    obiStyles: {
      color: 'hsl(0, 0, 22%)',
      backgroundColor: 'hsla(48, 89%, 50%, .22)',
      textAlign: 'right'
    }
  },
  {
    id: '002',
    title: 'The Art of Eorzea',
    subtitle: 'Final Fantasy XIV',
    description: 'One book that was recorded illustrations were drawn in the production process of summarizing the whole world released. "Shinsei Eoruzea" Genesis of record "Final Fantasy XIV" the first official art book of "Shinsei FFXIV"',
    image: 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/16584/ffxiv_taoe_cover.jpg',
    groove: true,
    bookStyles: {
      color: 'hsl(0, 100%, 100%)',
      backgroundColor: 'hsl(150, 8%, 5%)'
    },
    obiStyles: {
      color: 'hsl(0, 100%, 100%)',
      backgroundColor: 'hsla(0, 0%, 0%, .22)',
      textAlign: 'right'
    }
  }  
]

/*
|----------------------------------------------------
| Book Components
|----------------------------------------------------
*/
Vue.component('book', {
  mixins: [BEM],
  props: ['title', 'subtitle', 'description', 'image', 'groove', 'book-styles', 'obi-styles'],
  data () {
    return {
      isFlipped: false,
      classObject: {
        'has-groove': this.groove
      }
    }
  },
  template: `
    <article @click="flip" :class="[BEMBlock, classObject, { 'is-flipped' : isFlipped }]">
      <obi 
       :title="title" 
       :subtitle="subtitle" 
       :book-styles="bookStyles" 
       :obi-styles="obiStyles" 
       :front="true">
      </obi>
      <cover :image="image" :book-styles="bookStyles" front>
        <section slot="front"></section>
      </cover>
      <spine :book-styles="bookStyles"></spine>
      <cover :book-styles="bookStyles" back>
        <p slot="back" class="v-book__description" v-text="description"></p>
      </cover>
      <obi :obi-styles="obiStyles"></obi>
    </article>
  `,
  methods: {
    flip: function () {
      this.isFlipped = !this.isFlipped
    }
  }
})

/*
|----------------------------------------------------
| The Obi, or Belly Band, around the book
|----------------------------------------------------
*/
Vue.component('obi', {
  props: ['title', 'subtitle', 'obi-styles', 'front'],
  template: `
    <div class="v-book__obi" :style="obiStyles" :class="{ 'is-back': !front }">
      <div v-if="front">
        <div v-if="subtitle" class="v-book__subtitle" v-text="subtitle"></div>
        <div v-if="title" class="v-book__title" v-text="title"></div>
      </div>
    </div>
  `
})

Vue.component('cover', {
  mixins: [BEM],
  props: ['front','back', 'image', 'book-styles'],
  data () {
    return {
      loading: false,
      classObject: {
        'is-back': (this.back !== undefined),
        'is-front': (this.front !== undefined)
      }
    }
  },
  computed: {
    
    /*A makeshift lazy-load that fixes the jittering
      when the cover image is loaded. In a "real"
      situation you would probably do something
      more proper. */
    coverImage: function() {
      let vm = this
      let img = new Image()
      let url = this.image
      vm.loading = true
      
      img.onload = function() {
        img.src = url
      }
      
      if (img.complete) {
        vm.loading = false     
      }

      return {
        backgroundImage: `url(${this.image})` 
      } 
    }
  },
  template: `
    <section :class="[BEMElement, classObject]" :style="[bookStyles, coverImage]">
      <loader v-if="loading"></loader>
      <slot name="front"></slot>
      <slot name="back"></slot>
    </section>
  `
})

/* 
Admitted, a separate component for a spine is a bit overkill,
but what the heck. We're just having fun here. */
Vue.component('spine', {
  mixins: [BEM],
  props: ['book-styles'],
  template: `
    <section :class="[BEMElement]" :style="[bookStyles]"></section>
  ` 
})

Vue.component('loader', {
  props: ['is-loading'],
  template: `
    <div class="v-loader">✵</div>
  `
})

new Vue({
  el: document.getElementsByTagName('body')[0],
  data: {
    books: {
      artbooks: ARTBOOKS
    }
  },
  methods: {
    
    /* A note on staggering, or that neat, delayed 
    fade in effect on the books. In Vue 2.0, you
    have to combine the special <transition-group>
    tag along with a few methods like these below
    to get a result like the one you see.
    
    Basically, we first decide what "state" the
    book should be in BEFORE it enters the stage
    and then WHEN it enters the stage, we change
    that state to how it should end up.
    */
    beforeItemEnters: function (el) {
      el.style.opacity = 0
      el.style.top = '-10px'
    },
    whenItemEnters: function (el) {
      const delay = el.dataset.index * 500
      setTimeout(function(){
        el.style.opacity = 1
        el.style.top = '0px'
      }, delay)
    } 
  }   
})
              
            
!
999px

Console