body {
    margin: 30px;
    background-color: white;
    font-family: Arial, sans-serif;
}

.janela {
    width: 295px;
    height: 125px;
    background-color: white;
    border: 1px solid #dddddd;
    border-radius: 5px;
    box-shadow: 0 2px 8px #cccccc;
}

.barra {
    height: 22px;
    background-color: #f1f1f1;
    border-bottom: 1px solid #dddddd;

    display: flex;
    align-items: center;

    padding-left: 8px;
}

.barra span:not(.titulo) {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 4px;
}

.vermelho {
    background-color: #ff5f57;
}

.amarelo {
    background-color: #ffbd2e;
}

.verde {
    background-color: #28c840;
}

.titulo {
    font-size: 7px;
    color: #777777;
    margin-left: 10px;
}

.conteudo {
    padding: 13px;
}

.cartoes {
    display: flex;
    gap: 8px;
}

.cartao {
    width: 74px;
    height: 39px;

    border: 1px solid #dddddd;
    background-color: white;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    text-align: center;
}

.cartao strong {
    font-size: 9px;
    color: #222222;
}

.cartao span {
    font-size: 8px;
    color: #555555;
}


/* Opacidades solicitadas no exercício */
.normal {
    opacity: 1.0;
}

.translucido {
    opacity: 0.5;
}

.transparente {
    opacity: 0.25;
}