.div_center {
    background: #fff;
    box-shadow: 0 1px 100px 0 #25A0DA;
    border-radius: 225px;
    width: 450px;
    height: 450px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -225px 0 0 -225px;
}

.div_center2 {
    background: #fff;
    width: 250px;
    height: 250px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -125px 0 0 -125px;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

#wrapper {
    min-height: 100%;
    position: relative;
}

#header {
    background: #25A0DA;
    top: 0;
    left: 0;
    color: white;
}

#content {
    padding-top: 50px;
    padding-bottom: 50px;
}

#footer {
    background: #25A0DA;
    width: 100%;
    height: 20px;
    position: absolute;
    bottom: 0;
    left: 0;
    color: white;
}

.cyberian {
    display: none;
}

.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    transition: opacity 500ms;
    visibility: hidden;
    opacity: 0;
    z-index: 99;
}

.reg_popup {
    padding: 20px;
    background: #fff;
    border-radius: 5px;
    width: 700px;
    height: 450px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -225px 0 0 -350px;
}

.reg_popup .content {
    margin-top: 20px;
}

.reg_popup .close {
    position: absolute;
    top: 20px;
    right: 30px;
    transition: all 200ms;
    font-size: 30px;
    font-weight: bold;
    text-decoration: none;
    color: #333;
}

.reg_popup .close:hover {
    color: #286090;
}