.w3-modal {
    z-index: 99;
    display: none;
    padding-top: 100px;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
}

.w3-modal-background {
    z-index: 3;
    padding-top: 100px;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.72);
}

.w3-animate-zoom {
    animation: animatezoom 0.6s;
}

.w3-modal-content {
    margin: auto;
    background-color: #fff;
    position: relative;
    padding: 0;
    outline: 0;
    width: 500px;
    z-index: 4;
    box-shadow: 0px 0px 100px 50px rgb(0 0 0 / 43%);
    border-radius: 8px;
    max-width: 100%;
}

.w3-button {
    color: #fff;
    position: absolute;
    font-size: 40px;
    float: right;
    right: -20px;
    top: -29px;
    line-height: 1;
    text-shadow: 0 1px 0 #ffffff;
    cursor: pointer;
}

.popup {
    max-width: 100%;
    display: block;
    height: auto;
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}