.selector-for-some-widget {
  box-sizing: content-box;
}
.portfolio {
  text-align: center;
  font-size: 25px;
  margin-left: 350px;
  margin-right: 350px;
  margin-top: 50px;
}
.img-thumbnail {
  align-content: center;
  height: 150px;
  width: 150px;
  margin-left: 200px;
  margin-top: 50px;
}
.kofiwatermark {
  margin-left:200px;
}
pre {
  height: 200px;
  width: 50%;
}
.blog-text {
  font-size: 50px;
}