.popify-container {
    background: red;
}

/* https://getbootstrap.com/docs/4.0/components/modal/ */

.popify-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #333;
    opacity: 0.8;
    filter: alpha(opacity=80);
    z-index: 5000;
    outline: 0;
}

.popify-modal-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-x: hidden;
    overflow-y: auto;
    z-index: 5001;
    opacity: 1;
}

.popify-modal-dialog {
    position: relative;
    min-height: calc(100% - (1.75rem * 2));
    max-width: 500px;
    margin: 1.75rem auto;
    display: flex;
    -webkit-box-align: center;
    align-items: center;
}

.popify-modal-content {
    position: relative;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: .3rem;
    outline: 0;
}

.popify-modal-header {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #e9ecef;
    border-top-left-radius: .3rem;
    border-top-right-radius: .3rem;
}

.popify-modal-body {
    position: relative;
    -webkit-box-flex: 1;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    padding: 1rem;
}

.popify-modal-footer {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    padding: 1rem;
    border-top: 1px solid #e9ecef;
}

.popify-modal-title {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 1.5;
    font-size: 1.25rem;
}

.popify-modal-close {
    padding: 1rem;
    margin: -1rem -1rem -1rem auto;
    background-color: transparent;
    border: 0;
    -webkit-appearance: none;
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    opacity: .5;
}

.popify-modal-button {
    -webkit-appearance: button;
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    cursor: pointer;
}

    .popify-modal-button:hover {
        color: #fff;
        background-color: #5a6268;
        border-color: #545b62;
    }

.popify-loader-wrap {
    position: relative;
    width: 128px;
    height: 128px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    min-height: 100%;
}

.popify-loader {
    width: 128px;
    height: 128px;
    border-radius: 5px;
    background: #fff url('loader.gif') center center no-repeat;
}