body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  border: none;
}

header {
  background-color: #ffff00;
  padding: 12px;
}

header div {
  display: flex;
  justify-content: space-between;
  margin: 6px;
}

.imge {
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
  width: 46px;
  height: 46px;
}

nav {

}

nav a {
  border: 1px solid black;
  border-radius: 6px;
  padding: 3px;
  text-decoration: none;
}

nav a:hover {
  background-color: #f8dc07;
}

header h1 {
  color: black;
  font-size: 60px;
  font-family: impact;
  text-align: center;
}

header p {
  display: block;
  text-align: center;
  font-size: 24px;
}

main {
  flex: 1;
  max-width: 1100px;
  margin: auto;
  padding: 12px;
}

h1 {

}

h2 {
  margin-top: 40px;
}

article {
  margin-bottom: 20px;
}

p {
  font-size: 18px;
  color: black;
  text-align: left;
  margin-bottom: 20px;
}

a {
  color: black;
  text-decoration: none;
}

ul {
  font-size: 18px;
}

.cards {
  display: flex;
  gap: 20px;
}

.artigo {
  display: flex;
  flex: 1 1 500px;
  gap: 15px;
  padding: 15px;
  border-radius: 12px;
  background: white;
  padding: 8px;
  border: none;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  width: 100%;
  transition: 0.3s;
}

.artigo:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.link2 {
  color: gray;
  text-decoration: none;
  display: inline;
}

span {
display: block;
}

.span2 {
  display: inline;
}

.btn {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  background-color: #ffff00;
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 28px;
  line-height: 60px;
  box-sahdow: 2px 2px 5px rgba(0,0,0,0.3);
  text-decoration: none;
  z-index: 1000;
  transition: 0.3s;
}

.btn:hover {
  background-color: #f8dc07;
  transform: scale(1.1);
}

footer {
  border-top: 2px solid lightgray;
  color: black;
  text-align: center;
  padding: 12px;
}