body {
  background-image: url('/imgs/cowboy_back.jpg');
  background-repeat: repeat;
  background-attachment: fixed;
  background-position: center bottom -400px;
  
  font-family: "Work Sans", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 20px;
  
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0 15px;
  color: #023047;
}

.navbar_mobile{
  background-color: #3c78bf;
}

.header {
  background-color: #3c78bf;
  color: black;
  margin: 40px auto;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.container{
  background-color: #77a1b7;
  display: flex;
  flex-direction: column;
  
  max-width: 1000px;
  width: 70%;
  
  height: auto;
  margin: 40px auto;
  padding: 40px;
  position: relative;
}

.poema{
  border: 4px dotted #023047;
  padding: 15px;
}


/* ==== Responsividade ==== */
@media (max-width: 768px) {
  
  body{
    background-position: center;

  }
  
  .container {
    flex-direction: column;
  }

}