body {  
    font-family: Arial, sans-serif;  
    text-align: center;  
    background-color: #f0f0f5;  
    padding: 20px;  
}  

.container {  
    display: flex;  
    justify-content: center;  
    gap: 50px;  
    margin-top: 20px;  
}  

.figure {  
    display: flex;  
    flex-direction: column;  
    align-items: center;  
    background: white;  
    padding: 20px;  
    border-radius: 12px;  
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);  
}  

.rectangle {  
    width: 120px;  
    height: 60px;  
    background-color: #ff9800; /* Naranja vibrante */  
    border: 3px solid #e65100;  
    border-radius: 10px;  
    box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2);  
}  

.triangle {  
    width: 0;  
    height: 0;  
    border-left: 60px solid transparent;  
    border-right: 60px solid transparent;  
    border-bottom: 120px solid #673ab7; /* Morado intenso */  
}  

input {  
    width: 70px;  
    padding: 5px;  
    border: 1px solid #bbb;  
    border-radius: 5px;  
    text-align: center;  
}  

button {  
    margin-top: 10px;  
    padding: 10px 15px;  
    background-color: #0288d1; /* Azul vibrante */  
    color: white;  
    border: none;  
    border-radius: 6px;  
    cursor: pointer;  
    font-weight: bold;  
    box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2);  
    transition: background 0.3s ease-in-out;  
}  

button:hover {  
    background-color: #01579b;  
}