.popup {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: rgba(0, 0, 0, 0.09) 0px 3px 12px;
    width: 420px;
    padding: 10px 30px 20px;
    position: absolute;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
    border-radius: 3px;
    font-family: 'Helvetica Neue', Helvetica, Arial, 'sans-serif' !important;
    display: none;
    text-align: left;
    font-size: 16px;
}

.popup button {
    display: block;
    padding: 0;
    background-color: transparent;
    text-align: right;
    font-size: 36px;
    color: #20285b;
    font-weight: 600;
    border: none;
    outline: none;
    cursor: pointer;
}

.popup a {
    display: block;
    width: 150px;
    position: relative;
    text-align: center;
    background-color: #F3BF59;
    color: #20285b;
    text-transform: uppercase;
    font-weight: bolder;
    text-decoration: none;
    padding: 2px 0;
}