body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

h1 {
    margin: 0;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

.curso {
    background-color: #fff;
    margin: 10px 0;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-top: 0;
}

footer {
    text-align: center;
    background-color: #333;
    color: #fff;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}
.butt {
  padding: 10px 20px;
  background-color:black; /* #ba2b2b; */
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
}