.loading-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}


@keyframes loading-animation-line {
  0% {
    fill: transparent;
    stroke-dashoffset: 300;
    stroke: transparent;
  }
  25% {
    stroke-dashoffset: 0;
    fill: transparent;
    stroke: #bbb;
  }

  50% {
    stroke-dashoffset: 0;
    fill: #bbb;
    stroke: #bbb;
  }

  75% {
    stroke-dashoffset: 0;
    fill: transparent;
    stroke: #bbb;
  }
  90% {
    stroke-dashoffset: 0;
    fill: transparent;
    stroke: transparent;
  }
  100% {
    stroke-dashoffset: 0;
    fill: transparent;
    stroke: transparent;
  }
}

.fill1 {
  fill: transparent;
  stroke: #bbb;
  stroke-width: 1;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: loading-animation-line 4s infinite 0.6s;
}
.fill2 {
  fill: transparent;
  stroke: #bbb;
  stroke: 1;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: loading-animation-line 4s infinite 0.7s;
}
.fill3 {
  fill: transparent;
  stroke: #bbb;
  stroke: 1;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: loading-animation-line 4s infinite 0.8s;
}
.fill4 {
  fill: transparent;
  stroke: #bbb;
  stroke: 1;
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: loading-animation-line 4s infinite 0.9s;
}