.pater,
.pater__description,
.pater__title {
    font-size: .85em;
    margin: 0;
    position: relative
}

.pater {
    position: fixed;
    width: 100%;
    pointer-events: auto;
    bottom: 0;
    right: 0;
    z-index: 1000
}

.pater:focus {
    outline: 0
}

.pater__inner {
    background: #1e156d;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center
}

.pater__img {
    max-width: 50%;
    height: 80px;
    display: block;
    position: relative;
    z-index: 100
}

.pater__title {
    color: #fff;
    padding: 0 .5em 0 1em;
    max-width: calc(100% - 125px)
}

.pater__description {
    color: #bfb9fc;
    font-weight: 400;
    display: none
}

.pater__description strong {
    font-weight: 700;
    color: #fff;
    display: block;
    padding: 10px 0 0
}

@media screen and (min-width:50em) {
    .pater {
        bottom: auto;
        top: 0;
        width: 180px
    }

    .pater__inner {
        background: 0 0;
        display: block
    }

    .pater__img {
        max-width: none;
        width: 100%;
        height: auto
    }

    .pater__title {
        font-size: 1em;
        padding: 15px;
        background: #4637c4;
        z-index: 100;
        max-width: none
    }

    .pater__title::after {
        content: 'Sponsor';
        position: relative;
        display: block;
        color: #2b2087;
        font-size: .65em;
        text-transform: uppercase;
        letter-spacing: 2px;
        padding: 1em 0 0
    }

    .pater__description {
        pointer-events: none;
        display: block;
        padding: 0 15px 15px;
        background: #4637c4;
        -webkit-transform: translate3d(0, -100%, 0);
        transform: translate3d(0, -100%, 0);
        -webkit-transition: -webkit-transform .4s cubic-bezier(.2, 1, .8, 1);
        transition: transform .4s cubic-bezier(.2, 1, .8, 1)
    }

    .pater:hover .pater__description {
        pointer-events: auto;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0)
    }

    .pater .letter21 {
        page-break-after: always;
        break-after: always
    }
}