<div class="wrapper">
  <div class="center">
    <div class="main">
      <div class="big-img"></div>
    </div>
    <div class="img img-1"></div>
    <div class="img img-2"></div>
    <div class="img img-3"></div>
    <div class="img img-4"></div>
    <div class="img img-5"></div>
    <div class="img img-6"></div>
    <div class="img img-7"></div>
    <div class="img img-8"></div>
    <div class="img img-9"></div>
    <div class="img img-10"></div>
  </div>
</div>

@mixin circle {
  border: 1px solid #000;
  border-radius: 50%;
  background: yellow;
}
.wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 400px;
  @media (max-width: 410px) {
    height: auto;
  }
}
.main {
  @media (max-width: 410px) {
    width: 100%;
  }
}

.img {
  width: 50px;
  height: 50px;
  @include circle;
  position: absolute;
  @media (max-width: 410px) {
    position: static;
    margin: 10px;
  }
  &-1 {
    top: -80px;
  }
  &-2 {
    top: -35px;
    right: -35px;
  }
  &-3 {
    right: -80px;
  }
  &-4 {
    bottom: -35px;
    right: -35px;
  }
  &-5 {
    bottom: -80px;
  }
  &-6 {
    bottom: -35px;
    left: -35px;
  }
  &-7 {
    left: -80px;
  }
  &-8 {
    top: -35px;
    left: -35px;
  }
  &-9 {
    bottom: -100px;
    right: 5px;
  }
  &-10 {
    bottom: -100px;
    left: 5px;
  }
}

.center {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  position: relative;
  @media (max-width: 410px) {
    display: flex;
    flex-wrap: wrap;
  }
}

.big-img {
  width: 200px;
  height: 200px;
  @include circle;
  @media (max-width: 410px) {
    margin: 0 auto;
  }
}