body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    text-align: center;   
    padding: 20px;
    background: linear-gradient(to right, #6fb96f, #e1e7d8);
    border-radius: 10px;
    background-color: black;
  }
  
  h1 {
    color: #0fb173;
  }
  
  .mensagem-fixa {
    font-size: 18px;
    font-weight: bold;
    color: #0fb173;
    margin-bottom: 20px;
  }
  
  input, button {
    padding: 10px;
    margin: 10px;
    border-radius: 15px; 
    border: 1px solid #999;
    font-size: 16px;
  }
  
  button {
    background-color: #0fb173;
    color: white;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #b60d4d;
  }

  #imagem-humor img {
    border-radius: 15px; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); 
  }
  .caixa-principal {
    border: 3px solid #0fb173;     
    border-radius: 15px;           
    background-color: #ffffffcc;   
    padding: 20px;                 
    max-width: 500px;              
    margin: 40px auto;             
    box-shadow: 0 4px 12px rgba(0,0,0,0.2); 
    text-align: center;            
  }