body {
  background-color: #f7f5f2;
  color: #575757;
  font-family: Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

h1, h2, h3 {
  color: #2f2a26;
  font-family: Georgia, serif;
}

h1 {
  font-size: 34px;
  letter-spacing: 1px;
}

h2 {
  font-size: 24px;
  color: #8c6a43;
  margin-bottom: 20px;
}

h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

a {
  text-decoration: none;
  color: #8c6a43;
  font-weight: bold;
  transition: color 0.3s ease;
}

a:hover {
  color: #5c4330;
}

.container {
  width: 750px;
  margin: 40px auto;
}

.card-white {
  background-color: white;
  padding: 35px;
  margin: 25px 0px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.text-center {
  text-align: center;
}

.img-circle {
  border-radius: 50%;
}

#profile-picture {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border: 4px solid #f1ebe4;
}

#introduction p {
  margin-bottom: 30px;
  padding: 0px 20px;
}

.btn-blue {
  background-color: #8c6a43;
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  display: inline-block;
}

.btn-blue:hover {
  background-color: #6f5233;
  color: white;
}

.list-simple {
  padding-left: 20px;
}

.list-simple li {
  margin-bottom: 10px;
}

.list-inline {
  list-style: none;
  padding-left: 0px;
  margin-top: 20px;
}

.list-inline > li {
  display: inline;
  padding: 0px 15px;
}

@media (max-width: 960px) {
  .container {
    width: 700px;
  }
}

@media (max-width: 720px) {
  .container {
    width: 500px;
  }

  #introduction p {
    padding: 0px;
  }
}

@media (max-width: 540px) {
  .container {
    width: 300px;
  }

  #profile-picture {
    width: 110px;
    height: 110px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }
}