body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #1a237e, #2D82B5);
  color: #fff;
  margin: 0;
  padding: 0;
}

header {
  text-align: center;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.0);
}

img.profile {
  width: 180px;
  border-radius: 50%;
  display: block;
  margin: 20px auto;
  border: 3px solid #fff;
}

section {
  padding: 20px;
}

.portfolio {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.portfolio img {
  width: 280px;
  border-radius: 10px;
  border: 2px solid white;
}