how to place last div into right top corner of parent div? (css)

.block1 {
    color: red;
    width: 100px;
    border: 1px solid green;
    position: relative;
}

.block2 {
    color: blue;
    width: 70px;
    border: 2px solid black;
    position: absolute;
    top: 0px;
    right: 0px;
}

<div class="block1">
  <p>text</p>
  <p>text2</p>
  <div class="block2">block2</div>
</div>