.popup {
    background-color: rgba(0, 0, 0, 0.5);
    -webkit-transition: opacity 0.3s ease, -webkit-transform 0.5s ease;
    transition: opacity 0.3s ease, -webkit-transform 0.5s ease;
    -o-transition: opacity 0.3s ease, -o-transform 0.5s ease;
    -moz-transition: opacity 0.3s ease, transform 0.5s ease,
        -moz-transform 0.5s ease;
    transition: opacity 0.3s ease, transform 0.5s ease;
    transition: opacity 0.3s ease, transform 0.5s ease,
        -webkit-transform 0.5s ease, -moz-transform 0.5s ease,
        -o-transform 0.5s ease;
    will-change: opacity, transform;
}
.popup__container {
    text-align: left;
    font-size: 12px;
    background-color: #fff;
    -webkit-box-shadow: 0 3px 24px rgba(0, 0, 0, 0.12);
    -moz-box-shadow: 0 3px 24px rgba(0, 0, 0, 0.12);
    box-shadow: 0 3px 24px rgba(0, 0, 0, 0.12);
    padding: 35px;
    margin: 30px auto;
    -webkit-transition: opacity 0.2s ease, visibility 0s 0.1s,
        -webkit-transform 0.3s ease;
    transition: opacity 0.2s ease, visibility 0s 0.1s,
        -webkit-transform 0.3s ease;
    -o-transition: opacity 0.2s ease, visibility 0s 0.1s, -o-transform 0.3s ease;
    -moz-transition: opacity 0.2s ease, transform 0.3s ease, visibility 0s 0.1s,
        -moz-transform 0.3s ease;
    transition: opacity 0.2s ease, transform 0.3s ease, visibility 0s 0.1s;
    transition: opacity 0.2s ease, transform 0.3s ease, visibility 0s 0.1s,
        -webkit-transform 0.3s ease, -moz-transform 0.3s ease,
        -o-transform 0.3s ease;
    -webkit-transform: translate3d(0, -50px, 0);
    -moz-transform: translate3d(0, -50px, 0);
    transform: translate3d(0, -50px, 0);
    will-change: transform, opacity;
}
.popup__close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    padding-top: 8px;
}
.popup__close span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: #d0d0d0;
}
.popup__close span:first-of-type {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}
.popup__close span:last-of-type {
    -webkit-transform: rotate(-45deg) translateY(-1px);
    -moz-transform: rotate(-45deg) translateY(-1px);
    -ms-transform: rotate(-45deg) translateY(-1px);
    -o-transform: rotate(-45deg) translateY(-1px);
    transform: rotate(-45deg) translateY(-1px);
}
@media (max-width: 767px) {
    .popup__container {
        width: 80%;
    }
    .popup__close {
        top: 10px;
        right: 10px;
    }
}
.popup.opened .popup__container {
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}