ctto | blue 1 (dark)

<style>
  .pastelblue {
    border-width:7px;
    border-style:solid;
    border-image: url("https://i.imgur.com/J6qaOtb.png") 5 fill round;
  }
</style>

<img class="pastelblue" src="https://scripted.neocities.org/image.jpg" alt="." style="width:100%;height:auto;border-radius:10px;">