* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #7c7eff;
  color: #333;
}

header {
  background-color: #00b31e;
  padding: 20px;
}

header nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

header nav ul li {
  margin: 0 15px;
}

header nav ul li a {
  color: white;
  text-decoration: none;
}

#hero {
  text-align: center;
  padding: 100px 20px;
  background-color: #2ea0fd;
}

#hero h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

section {
  padding: 50px 20px;
  text-align: center;
}

.project {
  margin-bottom: 20px;
  background-color: #5f62fc;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

#skills ul {
  list-style: none;
  padding-left: 0;
}

#skills ul li {
  display: inline-block;
  margin: 10px 15px;
  padding: 10px;
  background-color: #fd1e1e;
  color: white;
  border-radius: 5px;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 10px 0;
  margin-top: 30px;
}

body.dark-mode {
  background-color: #1c1c1c;
  color: #f4f4f4;
}

body.dark-mode header {
  background-color: #1a1a1a;
}

body.dark-mode #hero {
  background-color: #2e2e2e;
}

body.dark-mode .project {
  background-color: #333;
  color: #f4f4f4;
}

body.dark-mode #skills ul li {
  background-color: #444;
}

body.dark-mode footer {
  background-color: #1a1a1a;
}

.button {
  width: 12%;
  background-color: #5c5c5c;
  border: none;
  color: white;
  padding: 15px 25px;
  margin-right: 20px;
  margin-bottom: 40px;
  text-align: center;
  font-size: 16px;
  float: center;
  font-size: 15px;
  border-radius: 12px;
  transition-duration: 0.4s;
}

.button:hover {
  background-color: #ffffff;
  color: rgb(0, 0, 0);
}

.blank-box {
  width: 20px;
  margin: 5px;
  padding: 10px;
  flex-wrap: nowrap;
  display: flex;
}