body {
    margin: 0px;
    padding: 0px;
    font-family: Arial, sans-serif;
    font-size: 12px;
    color: #000;
    background: #e6e6e6;
}

body, html {
    height: 100%;
}

#box_error500 {
    display: flex;
    align-items: center;
    justify-content: center;
    align-content: center;
    height: 100%;
    max-width: 1024px;
    margin: 0 auto;
    flex-flow: row wrap;
}

#box_error500_right {
    padding: 20px;
    min-width: 320px;
    max-width: 80%;
}

.txt_red {
    color: #2e2e2e;
    font-size: 15px;
}

.txt {
    font-size: 12px;
    padding-top: 4px;
    color: #999;
}

.clear
{
    clear: both;
}