18/10/2023

<div class="battle-wrapper">
  <div class="box"></div>
</div>
<style>
  .battle-wrapper {
    background: #fefae0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    max-width: 400px;
    height: 300px;
  }
  .box {
    width: 160px;
    height: 160px;
    background: #9cccdb;
    transform: rotate(45deg);
    position: relative;
  }
  .box:before {
    content: "";
    position: absolute;
    width: 50%;
    height: 50%;
    background: #a461e8;
  }
</style>