.one_button_alert_popup{
    position: fixed;
    left: 0%;
    top: 0%;
    right: auto;
    bottom: auto;
    z-index: 1000;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.55);
    overflow: scroll;
}

.one_button_alert_popup .one_button_alert_popup_content{
    position: relative;
    margin: 0 auto;
    top: calc(50% - 140px);
    max-width: 500px;
    background-color: white;
    border-radius: 10px;
    padding: 20px 40px;
    line-height: 25px;
}

.one_button_alert_popup .one_button_alert_popup_content .close_img{
    position: relative;
    left: 100%;
    top: -5px;
    width: 18px;
    cursor: pointer;
}

.one_button_alert_popup .one_button_alert_popup_content .alert_text{
    font-size: 20px;
    font-weight: 600;
    height: 70px;
}

.one_button_alert_popup .one_button_alert_popup_content .alert_button{
    background-color: #307bff;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    padding: 15px 40px;
    width: fit-content;
    font-size: 17px;
    cursor: pointer;
    margin: 0px auto;
    margin-top: 30px;
}

@media screen and (max-width: 720px){
    .one_button_alert_popup{
        position: fixed;
        left: 0%;
        top: 0%;
        right: auto;
        bottom: auto;
        z-index: 1000;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.55);
        overflow: scroll;
    }
    
    .one_button_alert_popup .one_button_alert_popup_content{
        position: relative;
        margin: 0 auto;
        top: calc(50% - 165px);
        background-color: white;
        border-radius: 10px;
        padding: 20px 40px;
        max-width: 90%;
        width: 70%;
    }
    
    .one_button_alert_popup .one_button_alert_popup_content .close_img{
        position: relative;
        left: 100%;
        top: -5px;
        width: 18px;
        cursor: pointer;
    }
    
    .one_button_alert_popup .one_button_alert_popup_content .alert_text{
        font-size: 20px;
        font-weight: 600;
    }
    
    .one_button_alert_popup .one_button_alert_popup_content .alert_button{
        background-color: #307bff;
        border-radius: 10px;
        color: white;
        font-weight: 600;
        padding: 15px 40px;
        width: fit-content;
        font-size: 17px;
        cursor: pointer;
        margin: 0px auto;
        margin-top: 50px;
    }
}