:root {
        --text color: #000;
        --card-front-color:#88076c;
        --card-back-color:#f689fadc;
        }
        
        body {
            background-color:rgb(92, 211, 247);
            front-family: Bai Jamjuree;
        }
        
        #container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            padding: 4rem;
            gap: 3rem;
        }
        
        .cartao:hover .cartao__conteudo {
            transform: rotateY(180deg);
        }
        
        footer {
            background-color:rgb(124, 5, 124);
            color:rgba(231, 228, 51, 0.932);
            position: fixed;
            bottom: 0;
            width: 100%;
            height: 2rem;
        
            }
        
            footer p {
                text-align: center;
                font-size: 0.6rem;
                margin-top: 0.5rem;
                }
        
                    .cartao {
                        margin: 1rem 1rem;
                        background-color:blanchedalmond;
                        height: 20rem;
                        flex-grow: 1;
                        flex-basis: calc(33% - 6rem);
                        }
        
                        .cartao__conteudo {
                            text-align: center;
                            height: 100%;
                            transform-style: preserve-3d;
                            transition: transform 300ms ease-in-out;
                            }
        
                            
                            .cartao__conteudo h3 {
                                color: var(--text-color);
                                border: 1px solid var(--text-color);
                                text-align: left;
                                padding: 0.5rem;
                                position: absolute;
                                margin: 0.6rem;
                                border-radius: 0.6rem;
                                font-size: 1vw;
                                backface-visibility: hidden;
                            }
        
                            .cartao_conteudo__pergunta p {
                                color: var(--text-color);
                                font-weight: 500;
                                padding-top: 4rem;
                            }
                            
        .cartao__conteudo__resposta {
            backface-visibility: hidden;
            position: absolute;
            height: 100%;
            width: 100%;
            backface-visibility: hidden;
            position: absolute;
            height: 100%;
            width: 100%;
            box-sizing: border-box;
        }
        
        
        .cartao__conteudo p {
            margin-top: 1rem;
            padding: 2rem;
            margin-top: 4rem;
            font-size: 1.4vw;
        }