body,
html {
    height: 100%
}

body {
    text-align: center;
    font: 20px Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    /*justify-content: center;*/
    padding: 0;
    margin: 0;
    overflow: auto
}

#background {
    background-image: var(--background);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1
}

h1 {
    font-size: 40px !important;
    margin: 0
}

article {
    display: block;
    text-align: left;
    /*max-width: 650px;*/
    margin: auto;
    padding: 20px
}

a,
a:hover {
    color: #dc8100;
    text-decoration: none
}

a:hover,
body {
    color: #333
}

#show_login {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #000;
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 20px;
    cursor: pointer;
    font-weight: 600;
    z-index: 99999;
}

#box_login {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0)
}

body.lowbright>#background {
    filter: brightness(.3)
}

body.lowbright>article {
    filter: blur(3px)
}

.err,
.success {
    color: var(--danger);
    font-size: 13px;
    margin: 20px 0;
    display: block
}

.success {
    color: var(--success)
}

.cd_box {
    padding: 0 2px
}