#cabeçalho {
        background-color: rgb(24, 23, 23);
        text-align: left;
    }
    
    #corpo {
        background-color: whitesmoke;
    }
    
    #rodape {
        background-color: whitesmoke;
        text-align: center;
    }
    
    .footer {
        position: absolute;
        bottom: 0;
        width: 100%;
    }
    
    #textbox {
        height: 300px;
        text-align: initial;
    }