body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 20px;
  background-color: #f4f4f4;
  color: #333;
}

.container {
  max-width: 800px;
  margin: auto;
  background: #fff;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 20px;
}

p {
  text-align: justify;
}

.tool-list {
  margin-top: 30px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.tool {
  background: #f9f9f9;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
  transition: box-shadow 0.3s ease;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: top;
  min-width: 250px;
}

.tool:hover {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tool h2 {
  margin-top: 0;
  color: #3498db;
}

.button {
  display: inline-block;
  background-color: #3498db;
  color: #ffffff;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 15px;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: #2980b9;
}