.popup_layer {
    background-image: url(../img/pattern.png);
    opacity: 0.7;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
    filter: alpha(opacity=70);
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
}

.popup {
    background: #f2f2f2;
    display: none;
    max-width: 600px;
    width: 100%;
    box-shadow:         0 0 7px #4a4a4a;
    -moz-box-shadow:    0 0 7px #4a4a4a;
    -webkit-box-shadow: 0 0 7px #4a4a4a;
}

.popup_content {
    padding: 20px 30px;
}

.popup_close {
    cursor: pointer;
    position: relative;
    top: 0px;
    left: 0px;
    float: right;
    font-family: Arial;
    font-size: 16px;
    background-color: #d1d1d1;
    color: #4c4c4c;
    padding: 4px 9px 4px 10px;
    text-decoration: none;
}

.popup .half_column {
    float: left;
    width: 50%;
}

.popup .popup_title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
    padding-right: 20px;
}

.popup .popup_text {
    font-size: 15px;
    padding-right: 20px;
}

.popup input {
    font-size: 15px;
    margin-top: 10px;
    padding: 5px 10px;
    text-align: center;
    width: 100%;
}