<!DOCTYPE html>
<html>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="//cdnjs.cloudflare.com/ajax/libs/vue/2.3.4/vue.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  </head>
  <body>
    <h1>Hello Plunker!</h1>
    <div class="app" id="app">
      <div class="container">
        <div class="col-xs-12 col-sm-8 col-sm-offset-2 col-md-6 col-md-offset-3">
          <h4>Transition Group Animations</h4>
          <hr/>
          <div class="btn btn-primary" @click="addItem">Add Item</div><br/><br/>
          <div class="contain">
            <transition-group name="fade">
              <div class="contain-item" v-for="(number, index) in numbers" v-bind:key="number" @click="removeItem(index)" style="cursor: pointer;">{{index}}</div>
            </transition-group>
          </div>
        </div>
      </div>
    </div>
    <script src="script.js"></script>
    </body>
</html>






Vue.component('app-danger-alert', {
  template: "<div class='alert alert-danger'>Danger!</div>"
})
Vue.component('app-success-alert', {
  template: "<div class='alert alert-success'>Success!</div>"
})
new Vue({
  el: "#app",
  data: {
    show: true,
    load: true,
    elementWidth: 300,
    selected: 'app-success-alert',
    numbers: [1, 2, 3, 4, 5]
  },
  mounted: function() {
    this.$nextTick(function() {
      this.gimmeStyle();
    })
  },
  methods: {
    gimmeStyle() {
      setTimeout(function() {
        $(".contain-item").each(function(index) {
          if ($(this)[0].style.backgroundImage == "") 
          {
            var r = Math.floor(Math.random() * 4);
            if (r == 0) 
            {
              $(this).css("background", "linear-gradient(135deg, #CE9FFC 10%, #7367F0 100%)")
            }
            else if (r == 1) 
            {
              $(this).css("background", "linear-gradient(135deg, #81FBB8 10%, #28C76F 100%)")
            }
            else if (r == 3) 
            {
              $(this).css("background", "linear-gradient(135deg, #ABDCFF 10%, #0396FF 100%)")
            }
            else
            {
              $(this).css("background", "linear-gradient(135deg, #FFE985 10%, #FA742B 100%)")
            }
          }
        })
      }, 10)
    },
    addItem: function() {
      this.numbers.splice(0, 0, this.numbers.length + 1)
    },
    removeItem: function(num) {
      this.numbers.splice(num, 1); 
    }
  },
  watch: {
    numbers: function() {
      this.gimmeStyle()
    }
  }
});

setTimeout(function() {
  var button = document.querySelector(".btn-primary")
  button.click();
}, 400)
setTimeout(function() {
  var button = document.querySelector(".btn-primary")
  button.click();
}, 1200)
setTimeout(function() {
  var button = document.querySelector(".btn-primary")
  button.click();
}, 2000)






@import url("https://fonts.googleapis.com/css?family=Source+Code+Pro");
body {
  margin-top: 50px;
  font-family: "Source Code Pro", monospace;
}
.container {
  margin: 0;
  padding: 0;
}
.contain {
  width: 100vw;
  position: relative;
}
.contain span {
  width: 100%;
  display: flex;
  align-items: center;
  flex-direction: row;
  flex-wrap: wrap;
}
.contain-item {
  margin: 1vw;
  width: 30vw;
  height: 30vw;
  border-radius: 15px;
  box-shadow: 0px 0px 51px 0px rgba(0, 0, 0, 0.08), 0px 6px 18px 0px rgba(0, 0, 0, 0.05);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(0px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: white;
  font-weight: bold;
  font-size: 2.3rem;
}
.contain-item:hover {
  transform: translateY(-5px);
}
.contain-item:hover:after {
  content: "";
  position: absolute;
  top: 20px;
  width: 2px;
  right: 11%;
  height: 30px;
  background-color: white;
  transform: rotate(45deg);
  opacity: .8;
}
.contain-item:hover:before {
  content: "";
  position: absolute;
  top: 20px;
  right: 11%;
  width: 2px;
  height: 30px;
  background-color: white;
  transform: rotate(-45deg);
  opacity: .8;
}
.fade-enter {
  opacity: 0;
}
.fade-enter-active {
  transition: all 1s;
}
.fade-leave-active {
  transition: all .3s;
  opacity: 0;
  transform: translateY(0);
  position: absolute;
}
.fade-move {
  transition: all 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(1) {
  transition: transform 0.4s 0.1s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(2) {
  transition: transform 0.4s 0.2s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(3) {
  transition: transform 0.4s 0.3s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(4) {
  transition: transform 0.4s 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(5) {
  transition: transform 0.4s 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(6) {
  transition: transform 0.4s 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(7) {
  transition: transform 0.4s 0.7s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(8) {
  transition: transform 0.4s 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(9) {
  transition: transform 0.4s 0.9s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(10) {
  transition: transform 0.4s 1s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(11) {
  transition: transform 0.4s 1.1s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(12) {
  transition: transform 0.4s 1.2s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(13) {
  transition: transform 0.4s 1.3s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(14) {
  transition: transform 0.4s 1.4s cubic-bezier(0.77, 0, 0.175, 1);
}
.fade-move:nth-child(15) {
  transition: transform 0.4s 1.5s cubic-bezier(0.77, 0, 0.175, 1);
}