.popup-container {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* Semi-transparent background overlay */
    justify-content: center;
    align-items: center;
}

.caixa_popup {
    background-color: transparent;
    padding: 20px;
    border: 1px solid #888;
    width: 30%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    text-align: center;

    main {
        display: flex;
        width: 100vw;
        height: 100vh;
        justify-content: center;
        align-items: center;
        animation: fadeIn 2s ease-in-out;
    }

    .container {
        display: flex;
        flex-direction: column;
        background: rgb(255, 198, 0);
        width: 300px;
        height: 450px;
        align-items: center;
        justify-content: space-evenly;
        border-radius: 20px;
        box-shadow: 0 0 10px black;
    }

    .container2 {
        display: flex;
        flex-direction: column;
        background: blue;
        width: 300px;
        height: 450px;
        align-items: center;
        justify-content: space-evenly;
        border-radius: 20px;
        box-shadow: 0 0 10px black;
    }



    .title {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 60%;
        height: 30px;
        font: bold 1.5rem serif;
        margin-bottom: 20px;
        color: #000;
    }


    .input {
        display: flex;
        width: 150px;
        height: 20px;
        justify-content: space-between;
        align-items: center;
    }

    .input input {
        width: 100px;
        height: 30px;
        border-radius: 5px;
        border: none;
        outline: 0;
        font: bold 1.5rem serif;
        text-align: center;
    }

    .input label {
        font: bold 1.5rem serif;
        color: #000;
    }

    .calcu {
        width: 50px;
        height: 30px;
        font: bold 1.2rem serif;
        background: #000;
        color: rgb(255, 198, 0);
        outline: none;
        border-radius: 5px;
    }

    .cal {
        margin: 20% width: 100px;
        height: 30px;
        font: bold 1.2rem serif;
        background: #000;
        color: red;
        outline: none;
        border-radius: 5px;
    }

    button {
        width: 150px;
        height: 30px;
        font: bold 1.2rem serif;
        background: #000;
        color: rgb(255, 198, 0);
        outline: none;
        border-radius: 5px;
        cursor: pointer;
    }

    .result {
        display: flex;
        margin-top: 20px;
        align-items: center;
        width: 250px;
        height: 200px;
        border-radius: 5px;
        font: italic 1.5rem serif;
        box-shadow: 0px 0px 10px black;
        background: #000;
        color: rgb(255, 198, 0);
        padding: 20px;
        box-sizing: border-box;
        user-select: none;
    }

    .result3 {
        display: flex;
        margin-top: 20px;
        align-items: center;
        width: 200px;
        height: 70px;
        border-radius: 5px;
        font: italic 1.5rem serif;
        box-shadow: 0px 0px 10px black;
        background: #000;
        color: rgb(255, 198, 0);
        padding: 20px;
        box-sizing: border-box;
        user-select: none;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: scale(0.8);
        }

        to {
            opacity: 1;
            transform: scale(1);
        }
    }