style.css

.content {
  display: flex;
  flex-direction: column;
}

.content-header {
  width: 100%;
}
.content-header.center {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.content-header .tag {
  opacity: 0.5;
  text-decoration: none;
}

.profile-container-pic {
  flex: 1 0 200px;
  max-width: 200px;
  width: 200px;
  height: 200px;
  border: 5px solid #fff;
  border-radius: 4px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 20px;
}
.profile-container-pic .profile-pic {
  max-width: 100%;
  max-height: 100%;
  border-radius: 4px;
}

.profile-container-info {
  flex: 2 0 400px;
  margin: 20px 0;
  max-width: 100%;
}
.profile-container-info *:first-child {
  margin-top: 0;
}
.profile-container-info *:last-child {
  margin-bottom: 0;
}

@media (max-width: 684px) {
  .content-header.author-profile {
    margin-top: 40px;
  }
}