body{
  font-family: Arial, sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
}

.container{
  max-width: 900px;
  margin: 40px auto;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

h2{
  margin-top: 0;
}

.card{
  border: 1px solid #e5e5e5;
  padding: 14px;
  border-radius: 12px;
  margin-bottom: 12px;
}

button{
  padding: 10px 14px;
  background: black;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

button:hover{
  opacity: 0.85;
}

a{
  text-decoration: none;
  color: #0066cc;
}