#datasheets-popup-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: rgba(0,0,0,.5);
}

#datasheets-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1010;
    background: white;
    margin: auto;
    padding: 1.5em;
    height: 200px;
    width: 400px;
    max-width: 95%;
    text-align: center;
    box-shadow: 0em 0 1em black;
    border-radius: 0.3125em;
    overflow: hidden;
}

#datasheets-popup[hidden] + #datasheets-popup-bg {
    display: none
}

#datasheets-popup input[type="email"] {
    display: block;
    text-align: center;
    width: 100%;
    padding: .3125em;
    margin: 1em 0
}

#datasheets-popup .closer {
    position: absolute;
    top: 0;
    right: 0;
    border: 0;
    width: 2em;
    height: 2em;
    text-align: center;
    line-height: 2em;
    background: rgb(221,221,221);
    -webkit-transition: .3125s background-color;
    transition: .3125s background-color;
}

#datasheets-popup .closer:hover {
    background: rgb(170,170,170);
}