html, body, ul, li, h1, h2, h3, p, form, input, textarea, button {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: transparent;
}
header{
 opacity: 0.0 - 1.0; 
 background-color: #333;
}
#teste{
  background-color: #333;
  background-image: url(logolc.jpg);
  background-repeat: no-repeat;
  background-position: right 35% bottom 95%;
}
body {
  font-family: Arial, sans-serif;
  background-color: #333;
  color: #bbb;
}
footer {
  background-color: #333;
  color: #bbb;
  text-align: center;
  padding: 20px;
}



h1, h2, h3 {
  margin-bottom: 20px;
}

nav ul {
  list-style: none;
}

nav ul li {
  display: inline;
  margin-right: 10px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
}