.pop-up-mask {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 999;

    display: flex;
    justify-content: center;
}

#subscribe {
    width: 97px;
    height: 40px;
    outline: none;
    border: none;
    background: linear-gradient(0deg, #f88229, #f1c05e);
    border-radius: 6px;
    margin-left: 16px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
}

#collect {
    outline: none;
    border: none;
    background-color: transparent;
    margin: 0;
    padding: 0;
    cursor: pointer;
}

.mask-container {
    width: 450px;
    height: 270px;
    padding: 27px;
    border-radius: 10px;
    background-color: #fff;
    margin-top: 10%;
    position: relative;
    text-align: center;
}

.pop-up-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: transparent;
    border: none;
    outline: none;
    cursor: pointer;
}

.pop-up-title {
    color: #3d94cc;
    padding: 20px;
    border-bottom: 1px solid #bebebe;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.pop-up-content {
    font-size: 18px;
    padding: 40px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pop-up-btn {
    outline: none;
    border: none;
    background-color: #3d94cc;
    color: #fff;
    text-align: center;
    width: 147px;
    height: 46px;
    line-height: 46px;
    font-size: 18px;
    border-radius: 7px;
    cursor: pointer;
}

.pop-up-btn:active {
    background-color: #60a5cf;
}

.show-on {
    display: none;
}

.show-on.active {
    display: inline;
}

.show-off.active {
    display: none;
}

@media (max-width: 540px) {
    .pop-up-mask .mask-container {
        margin: 150px 20px 0 20px;
        max-width: 100%;
        padding: 27px 10px;
    }
}