<style>
    .custom-marquiz-container {
        width: 376px;
        margin: 0 auto;
    }

    .custom-progress-container {
        width: 100%;
        margin-bottom: 10px;
    }

    .custom-progress-bar {
        width: 360px;
        height: 6px;
        background-color: transparent;
        border-radius: 3px;
        overflow: hidden;
        margin: 0 auto;
    }

    .custom-progress-fill {
        height: 100%;
        width: 0%;
        background-color: green;
        transition: width 0.3s ease;
    }

    .custom-marquiz-widget {
        width: 376px;
        border: 0px solid black;
        border-radius: 10px;
        background: transparent;
        padding: 15px;
        box-sizing: border-box;
        height: 380px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .custom-marquiz-widget .custom-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        height: 100%;
        justify-content: center;
    }

    .custom-marquiz-widget .custom-hidden {
        display: none;
    }

    .custom-marquiz-widget h2 {
        font-size: 18px;
        color: white;
        line-height: 1.2;
        text-align: center;
        margin: 0 0 8px 0;
    }

    .custom-marquiz-widget .custom-blocks-container {
        display: flex;
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
    }

    .custom-marquiz-widget .custom-blocks-row {
        display: flex;
        justify-content: space-between;
        margin-bottom: 10px;
    }

    .custom-marquiz-widget .custom-block {
        width: 160px;
        height: 120px;
        background-color: rgba(0,0,0,0.7);
        border: 2px solid grey;
        border-radius: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .custom-marquiz-widget .custom-block img {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        margin-bottom: 6px;
        box-shadow: 0 0 12px 2px rgba(255,253,205, 0.4);
        border: 0px solid white;
    }

    .custom-marquiz-widget .custom-block span {
        color: white;
        font-size: 15px;
        text-align: center;
        line-height: 1.2;
        padding: 0 5px;
    }

    .custom-marquiz-widget .custom-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 10px;
        width: 100%;
    }

    .custom-marquiz-widget .custom-buttons button {
        width: 300px;
        height: 33px;
        border: 1px solid gray;
        border-radius: 5px;
        margin-bottom: 5px;
        background-color: white;
        color: black;
        cursor: pointer;
        font-size: 15px;
    }

    .custom-marquiz-widget input {
        width: 270px;
        height: 35px;
        border: 1px solid gray;
        border-radius: 5px;
        margin-bottom: 8px;
        padding: 0 10px;
        box-sizing: border-box;
        font-size: 16px;
    }

    .custom-marquiz-widget #custom-submitBtn {
        width: 270px;
        height: 40px;
        background-color: rgba(0, 0, 0, 0.5);
        border: 1px solid grey;
        border-radius: 5px;
        color: white;
        margin-top: 12px;
        font-size: 16px;
        cursor: pointer;
    }

    .custom-marquiz-widget .custom-error {
        border-color: #ff5555 !important;
    }
</style>