#ad-container {
    width: 90%;
    max-width: 600px;
    max-height: 300px;
    position: relative;
    margin: auto;
    overflow: hidden;
}

#ad-container img,
#ad-container video {
    width: 100%;
    height: auto;
    max-height: 300px;
}

#ad-container video {
    outline: none;
}

#ad-close-btn {
    position: absolute;
    top: 0px;
    right: 0px;
    cursor: pointer;
    background: #EFEDED00;
    border-radius: 10%;
    padding: 5px;
    font-size: 15px;
    z-index: 10;
}

#ad-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background-color: #DB0000;
    width: 0;
    transition: width linear;
}