<style>
div {
  position: relative;
  top: -5px;
  left: -5px;
  width: 50px;
  height: 50px;
  border: 5px dashed rgba(0, 255, 0, 0.5);
  margin-bottom: 20px;
}
</style>
<div></div>
<div style="border-style: dotted;"></div>
<div style="border-style: inset;"></div>
<div style="border-style: outset;"></div>

<div style="border-radius: 15px;"></div>
<div style="border-radius: 15px; border-style: dotted;"></div>
<div style="border-radius: 15px; border-style: inset;"></div>
<div style="border-radius: 15px; border-style: outset;"></div>
