body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
  transition: all 0.3s ease;
}
:root {
  --bg: #ffffff;
  --text: #111111;
}
.dark {
  --bg: #111111;
  --text: #ffffff;
}
main {
  text-align: center;
  padding: 40px 20px;
}
.avatar {
  width: 150px;
  border-radius: 50%;
  margin-bottom: 20px;
}
.controls {
  position: absolute;
  top: 10px;
  left: 10px;
}
.controls button {
  margin: 5px;
  padding: 5px 10px;
  font-size: 1.2em;
}
.email {
  display: block;
  margin: 15px auto;
  font-size: 1.1em;
  text-decoration: none;
  color: var(--text);
}
.socials {
  margin-top: 20px;
}
.socials img {
  width: 32px;
  margin: 0 10px;
  vertical-align: middle;
}