body > a {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.md-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 50%;
    max-width: 630px;
    min-width: 320px;
    height: auto;
    z-index: 2000;
    visibility: hidden;
    transform: translateX(-50%) translateY(-50%);
}

    .md-modal:target {
        visibility: visible;
    }

.md-overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    visibility: hidden;
    top: 0;
    left: 0;
    z-index: 1000;
    opacity: 0;
    background: rgba(195, 195, 195, 0.8);
    transition: all 0.3s;
}

.md-modal:target ~ .md-overlay {
    opacity: 1;
    visibility: visible;
}

/* Content styles */
.md-content {
    color: #fff;
    background:white;
    position: relative;
    border-radius: 3px;
    margin: 0 auto;
}

    .md-content h3 {
        margin: 0;
        padding: 0.4em;
        text-align: center;
        font-size: 2.4em;
        font-weight: 300;
        opacity: 0.8;
        background: rgba(0,0,0,0.1);
        border-radius: 3px 3px 0 0;
        color:green;
        font-weight:bolder;
    }

    .md-content > div {
        padding: 15px 40px 30px;
        margin: 0;
        font-weight: 300;
        font-size: 1.15em;
    }

        .md-content > div p {
            margin: 0;
            padding: 10px 0;
            color:green;
            font-weight:bold;
        }

        .md-content > div ul {
            margin: 0;
            padding: 0 0 30px 20px;
        }

            .md-content > div ul li {
                padding: 5px 0;
            }

    .md-content a {
        display: block;
        margin: 0 auto;
        font-size: 0.8em;
    }

/* Effect */

.md-modal .md-content {
    -webkit-transform: scale(0.7);
    -moz-transform: scale(0.7);
    -ms-transform: scale(0.7);
    transform: scale(0.7);
    opacity: 0;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
}

.md-modal:target .md-content {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
    opacity: 1;
}