body {
  background-color: rgb(253, 251, 251);
  font-family: Arial, Helvetica, sans-serif;
}

#cabecalho {
  background-color: greenyellow;
  position: fixed;
  top: 0;
  left: 0;
  padding: 30px;
  width: 100%;
  height: 90px;
  z-index: 2;
}

#titulo {
  margin-left: 30%;
  position: relative;
  bottom: 17px;
}

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

a [href*='betrybe'] {
  text-decoration: underline;
  color: green;
}

header ul li {
  color: rgb(61, 61, 61);
  font-size: larger;
  text-align: center;
  display: inline-block;
  position: relative;
  top: 10px;
  padding-left: 20px;
  padding-right: 20px;
}

footer nav ul li {
  display: inline-block;
  text-align: center;
  margin-left: 15px;
  margin-right: 15px;
  color: white;
}

header ul li:hover {
  background-color: white;
  transition: 0.3s;
  height: 21px;
  border-radius: 5px;
}

footer nav ul {
  position: relative;
  left: 36%;
  margin-bottom: 10px;
}

footer section {
  color: white;
  position: relative;
  top: 70px;
  left: 38%;
}

main {
  line-height: normal;
  margin-bottom: 450px;
  position: relative;
  top: 170px;
  background-color: rgb(240, 240, 240);
  z-index: 1;
}

span {
  font-style: italic;
}

.lado-esquerdo , .lado-direito {
  display: inline-block;
  text-align: center;
  width: 300px;
  margin-left: 240px;
}

.lado-esquerdo {
  bottom: 30px;
}

#list-block1 , #list-block2 {
  display: inline-block;
  margin-top: 0;
  background-color: white;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: 250px;
}

#licoes_aprendidas , #licoes_a_aprender {
  margin: 30px;
}

main div {
  margin-top: 50px;
  position: relative;
}

#minha_foto {
  border-radius: 50%;
  height: 340px;
  margin-top: 10px;
  position: relative;
  left: 40%;
}

#rodape {
  border: 1px solid black;
  background-color: black;
  margin: 10px;
  padding: 80px;
  position: fixed;
  bottom: -10px;
  left: -10px;
  width: 100%;
}