#corpo_calculadora {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            
            
            
        }
        
        .calculator {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }
        #display {
            width: 100%;
            height: 50px;
            font-size: 1.5em;
            text-align: right;
            padding: 2px;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-bottom: 10px;
        }
        .buttons {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 5px;
        }
        button {
            padding: 15px;
            font-size: 1.2em;
            border: none;
            background-color: #ddd;
            cursor: pointer;
            border-radius: 5px;
        }
        button.operator {
            background-color: #f8a100;
            color: white;
        }
        button.equal {
            background-color: #28a745;
            color: white;
        }
        #history {
            width: 200px;
            height: 300px;
            padding: 10px;
            font-size: 1em;
            border: 1px solid #ccc;
            border-radius: 5px;
            resize: none;
            background-color: #fff;
        }