body { 
  
}






.cartao {
    width: 260px;
    height: 150px;   
    border: 2px solid white;
    margin: 0 auto;
    padding: 23px;
    font-size: 50px;
    background-color: #f7bfd8;
    
    display: flex;
    justify-content: center;
    align-items:  center; 
}

.botao-flutuante {
  display: inline-block;
  padding: 10px 20px;       
  border-radius: 8px;        
  box-shadow: 2px 2px 5px gray; 
  background: pink;        
  border: 1px solid #ccc;    
  cursor: pointer; 
}

.container-centralizado {
    width: 15%;             
    min-height: 100px;    
    margin: 0 auto;          
    border: 1px dashed black;
    padding: 20px;           
}

.moldura-irregular {
    border-radius: 5px 50px 5px 50px; /* cantos diferentes */
    margin: 10px 20px 30px 40px;      /* top right bottom left */
    padding: 15px;
    border: 2px solid #444;
}

/* 5. Bloco com Sombra 3D */
.bloco-3d {
    width: 200px;
    height: 200px;
    border: 5px double #000;
    box-shadow: 8px 8px 0px #000; /* sombra forte, bloco flutuante */
    margin: 20px auto;
    padding: 10px;
}

/* 6. Resetando Margens e Bordas */
.paragrafo-reset, 
.lista-reset {
    margin: 0;
    padding: 0;
    border: none;
}

.paragrafo-reset {
    width: 400px;
}

/* 7. Círculo Perfeito */
.circulo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: orange;
    margin: 20px auto; /* centraliza */
}

/* 8. Borda 4x */
.borda4x {
    border-left: 5px solid black;
    border-bottom: 2px dotted black;
    border-top: none;
    border-right: none;
    padding-left: 15px;
}

/* 9. Card com sombra interna */
.card-inset {
    width: 250px;
    height: 150px;
    border-radius: 12px;
    box-shadow: inset 5px 5px 10px rgba(0,0,0,0.4);
    margin-top: 50px;
    padding: 20px;
}

/* 10. Duas colunas */
.coluna1 {
    width: 30%;
    float: left;
    padding: 10px;
    border: 1px solid #ccc;
    height: 400px;
}

.coluna2 {
    width: 70%;
    float: left;
    padding: 10px;
    border: 1px solid #ccc;
    height: 400px;
}