new spinner and overlay

gistfile1.txt

<style>
.fullheight {
        height: 200vw;
      }
      .bg-candy-stripes {
        background: repeating-linear-gradient(
          45deg,
          #bdeaff,
          #bdeaff 10px,
          #1d9cd8 10px,
          #1d9cd8 20px
        );
        background-size: 100% 100%;
      }
      #overlay {
        top: 0;
        right: 0;
        left: 0;
        position: absolute;
        margin: auto;
        width: 100px;
        height: 100px;
        bottom: 40%;
      }
      .sk-circle {
        margin: 100px auto;
        width: 100px;
        height: 100px;
        position: relative;
      }
      .sk-circle .sk-child {
        width: 100%;
        height: 100%;
        position: absolute;
        left: 0;
        top: 0;
      }
      .sk-circle .sk-child:before {
        content: '';
        display: block;
        margin: 0 auto;
        width: 15%;
        height: 15%;
        background-color: #333;
        border-radius: 100%;
        -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
                animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
      }
      .sk-circle .sk-circle2 {
      -webkit-transform: rotate(30deg);
          -ms-transform: rotate(30deg);
              transform: rotate(30deg); }
      .sk-circle .sk-circle3 {
      -webkit-transform: rotate(60deg);
          -ms-transform: rotate(60deg);
              transform: rotate(60deg); }
      .sk-circle .sk-circle4 {
      -webkit-transform: rotate(90deg);
          -ms-transform: rotate(90deg);
              transform: rotate(90deg); }
      .sk-circle .sk-circle5 {
      -webkit-transform: rotate(120deg);
          -ms-transform: rotate(120deg);
              transform: rotate(120deg); }
      .sk-circle .sk-circle6 {
      -webkit-transform: rotate(150deg);
          -ms-transform: rotate(150deg);
              transform: rotate(150deg); }
      .sk-circle .sk-circle7 {
      -webkit-transform: rotate(180deg);
          -ms-transform: rotate(180deg);
              transform: rotate(180deg); }
      .sk-circle .sk-circle8 {
      -webkit-transform: rotate(210deg);
          -ms-transform: rotate(210deg);
              transform: rotate(210deg); }
      .sk-circle .sk-circle9 {
      -webkit-transform: rotate(240deg);
          -ms-transform: rotate(240deg);
              transform: rotate(240deg); }
      .sk-circle .sk-circle10 {
      -webkit-transform: rotate(270deg);
          -ms-transform: rotate(270deg);
              transform: rotate(270deg); }
      .sk-circle .sk-circle11 {
      -webkit-transform: rotate(300deg);
          -ms-transform: rotate(300deg);
              transform: rotate(300deg); }
      .sk-circle .sk-circle12 {
      -webkit-transform: rotate(330deg);
          -ms-transform: rotate(330deg);
              transform: rotate(330deg); }
      .sk-circle .sk-circle2:before {
      -webkit-animation-delay: -1.1s;
              animation-delay: -1.1s; }
      .sk-circle .sk-circle3:before {
      -webkit-animation-delay: -1s;
              animation-delay: -1s; }
      .sk-circle .sk-circle4:before {
      -webkit-animation-delay: -0.9s;
              animation-delay: -0.9s; }
      .sk-circle .sk-circle5:before {
      -webkit-animation-delay: -0.8s;
              animation-delay: -0.8s; }
      .sk-circle .sk-circle6:before {
      -webkit-animation-delay: -0.7s;
              animation-delay: -0.7s; }
      .sk-circle .sk-circle7:before {
      -webkit-animation-delay: -0.6s;
              animation-delay: -0.6s; }
      .sk-circle .sk-circle8:before {
      -webkit-animation-delay: -0.5s;
              animation-delay: -0.5s; }
      .sk-circle .sk-circle9:before {
      -webkit-animation-delay: -0.4s;
              animation-delay: -0.4s; }
      .sk-circle .sk-circle10:before {
      -webkit-animation-delay: -0.3s;
              animation-delay: -0.3s; }
      .sk-circle .sk-circle11:before {
      -webkit-animation-delay: -0.2s;
              animation-delay: -0.2s; }
      .sk-circle .sk-circle12:before {
      -webkit-animation-delay: -0.1s;
              animation-delay: -0.1s; }

      @-webkit-keyframes sk-circleBounceDelay {
      0%, 80%, 100% {
        -webkit-transform: scale(0);
                transform: scale(0);
      } 40% {
        -webkit-transform: scale(1);
                transform: scale(1);
      }
      }

      @keyframes sk-circleBounceDelay {
      0%, 80%, 100% {
        -webkit-transform: scale(0);
                transform: scale(0);
      } 40% {
        -webkit-transform: scale(1);
                transform: scale(1);
      }
      }
    </style>
    
    
    <body class="bg-candy-stripes fullheight">
      <div id="overlay">
        <div class="sk-circle">
          <div class="sk-circle1 sk-child"></div>
          <div class="sk-circle2 sk-child"></div>
          <div class="sk-circle3 sk-child"></div>
          <div class="sk-circle4 sk-child"></div>
          <div class="sk-circle5 sk-child"></div>
          <div class="sk-circle6 sk-child"></div>
          <div class="sk-circle7 sk-child"></div>
          <div class="sk-circle8 sk-child"></div>
          <div class="sk-circle9 sk-child"></div>
          <div class="sk-circle10 sk-child"></div>
          <div class="sk-circle11 sk-child"></div>
          <div class="sk-circle12 sk-child"></div>
        </div>
      </div>
    </body>