.dialog_fog {
    position: fixed;
    z-index: 300;
    background-color: #808080;
    opacity: 0.5;
    width: 100%;
    height: 100%;
    top: 0;
}

.dialog_box {
    width: 600px;
    min-height: 200px;
    position: absolute;
    top: calc( 50% - 100px);
    left: calc( 50% - 300px);
    /* margin: auto; */
    /* top: 0; */
    background-color:  white;
    z-index: 302;
    font-family: Tahoma;
    box-shadow: 4px 3px 2px #a0a0a0;
    border-radius: 8px;
}

.dialog_title {
    height: 28px;
    background-color: #f9f9f9;
    border-radius: 8px 8px 0 0;
    box-shadow: 0px 0px 3px 0px #808080;
    text-align: center;
    font-size: 110%;
    padding-top: 4px;
}
.dialog_footer {
    display: block;
    width: 100%;
    position: absolute;
    bottom: 0;
    text-align: center;
    padding: 4px;
    height: 40px;
}
.dialog_text {
    height: calc( 100% - 80px );
    position: absolute;
    width: 100%;
    text-align: center;
    padding-top: 5px;
    font-size: 120%;
    color: #808080;
}
button.dialog_button {
    border: 1px solid #a0a0a0;
    margin: 0 20px;
    border-radius: 2px;
    font-size: 120%;
    color: #6b6b6b;
    padding: 0 20px;
    cursor: pointer;
}

button.dialog_button:hover {
    color: black;
    background-color: #bdbdbd;
}