.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }
  .sk-folding-cube {
    margin: 20px auto;
    width: 40px;
    height: 40px;
    position: relative;
    -webkit-transform: rotateZ(45deg);
            transform: rotateZ(45deg);
  }

  .sk-folding-cube .sk-cube {
    float: left;
    width: 50%;
    height: 50%;
    position: relative;
    -webkit-transform: scale(1.1);
        -ms-transform: scale(1.1);
            transform: scale(1.1);
  }
  .sk-folding-cube .sk-cube:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #DC007C;
    -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both;
            animation: sk-foldCubeAngle 2.4s infinite linear both;
    -webkit-transform-origin: 100% 100%;
        -ms-transform-origin: 100% 100%;
            transform-origin: 100% 100%;
  }
  .sk-folding-cube .sk-cube2 {
    -webkit-transform: scale(1.1) rotateZ(90deg);
            transform: scale(1.1) rotateZ(90deg);
  }
  .sk-folding-cube .sk-cube3 {
    -webkit-transform: scale(1.1) rotateZ(180deg);
            transform: scale(1.1) rotateZ(180deg);
  }
  .sk-folding-cube .sk-cube4 {
    -webkit-transform: scale(1.1) rotateZ(270deg);
            transform: scale(1.1) rotateZ(270deg);
  }
  .sk-folding-cube .sk-cube2:before {
    -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s;
  }
  .sk-folding-cube .sk-cube3:before {
    -webkit-animation-delay: 0.6s;
            animation-delay: 0.6s;
  }
  .sk-folding-cube .sk-cube4:before {
    -webkit-animation-delay: 0.9s;
            animation-delay: 0.9s;
  }
  @-webkit-keyframes sk-foldCubeAngle {
    0%, 10% {
      -webkit-transform: perspective(140px) rotateX(-180deg);
              transform: perspective(140px) rotateX(-180deg);
      opacity: 0;
    } 25%, 75% {
      -webkit-transform: perspective(140px) rotateX(0deg);
              transform: perspective(140px) rotateX(0deg);
      opacity: 1;
    } 90%, 100% {
      -webkit-transform: perspective(140px) rotateY(180deg);
              transform: perspective(140px) rotateY(180deg);
      opacity: 0;
    }
  }

  @keyframes sk-foldCubeAngle {
    0%, 10% {
      -webkit-transform: perspective(140px) rotateX(-180deg);
              transform: perspective(140px) rotateX(-180deg);
      opacity: 0;
    } 25%, 75% {
      -webkit-transform: perspective(140px) rotateX(0deg);
              transform: perspective(140px) rotateX(0deg);
      opacity: 1;
    } 90%, 100% {
      -webkit-transform: perspective(140px) rotateY(180deg);
              transform: perspective(140px) rotateY(180deg);
      opacity: 0;
    }
  }