.img-replace {
    /* replace text with an image */
    display: inline-block;
    overflow: hidden;
    text-indent: 100%;
    color: transparent;
    white-space: nowrap;
}

.bts-popup {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 0.3s 0s, visibility 0s 0.3s;
    -moz-transition: opacity 0.3s 0s, visibility 0s 0.3s;
    transition: opacity 0.3s 0s, visibility 0s 0.3s;
}

    .bts-popup.is-visible {
        opacity: 1;
        visibility: visible;
        -webkit-transition: opacity 0.3s 0s, visibility 0s 0s;
        -moz-transition: opacity 0.3s 0s, visibility 0s 0s;
        transition: opacity 0.3s 0s, visibility 0s 0s;
    }

.bts-popup-container {
    position: relative;
    width: 90%;
    max-width: 600px;
    margin: 2em auto;
    background: #111;
    border-radius: none;
    text-align: center;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
    -webkit-transform: translateY(-40px);
    -moz-transform: translateY(-40px);
    -ms-transform: translateY(-40px);
    -o-transform: translateY(-40px);
    transform: translateY(-40px);
    /* Force Hardware Acceleration in WebKit */
    -webkit-backface-visibility: hidden;
    -webkit-transition-property: -webkit-transform;
    -moz-transition-property: -moz-transform;
    transition-property: transform;
    -webkit-transition-duration: 0.3s;
    -moz-transition-duration: 0.3s;
    transition-duration: 0.3s;
    border: 15px solid #333;
}

    .bts-popup-container img {
        padding: 20px 0 0 0;
    }

    .bts-popup-container p {
        color: white;
        padding: 10px 40px;
    }

    .bts-popup-container .bts-popup-button {
        padding: 5px 25px;
        display: inline-block;
        margin-bottom: 10px;
    }

    .bts-popup-container a {
        color: white;
        text-decoration: none;
        text-transform: uppercase;
    }



    .bts-popup-container .bts-popup-close {
        position: absolute;
        top: 8px;
        right: 8px;
        width: 30px;
        height: 30px;
    }

        .bts-popup-container .bts-popup-close::before, .bts-popup-container .bts-popup-close::after {
            content: '';
            position: absolute;
            top: 12px;
            width: 16px;
            height: 3px;
            background-color: white;
        }

        .bts-popup-container .bts-popup-close::before {
            -webkit-transform: rotate(45deg);
            -moz-transform: rotate(45deg);
            -ms-transform: rotate(45deg);
            -o-transform: rotate(45deg);
            transform: rotate(45deg);
            left: 8px;
        }

        .bts-popup-container .bts-popup-close::after {
            -webkit-transform: rotate(-45deg);
            -moz-transform: rotate(-45deg);
            -ms-transform: rotate(-45deg);
            -o-transform: rotate(-45deg);
            transform: rotate(-45deg);
            right: 6px;
            top: 13px;
        }

.is-visible .bts-popup-container {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
}

/*@media only screen and (min-width: 1170px) {
    .bts-popup-container {
        margin: 24em auto;
    }
}*/