.mpo-overlay {
    background: rgba(0, 0, 0, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    padding:5%;
    z-index: 10000;
    opacity: 0;
    -moz-transition: opacity linear 200ms;
    -o-transition: opacity linear 200ms;
    -webkit-transition: opacity linear 200ms;
    transition: opacity linear 200ms;
}

.mpo-content {
    padding: 15px;
    background: #FFF;
    margin:0 auto;
    max-height:100%;
    opacity: 0;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    -moz-box-shadow: 0 5px 20px rgba(0, 0, 0, 0.6);
    -webkit-box-shadow: 0 5px 20px rgba(0, 0, 0, 0.6);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.6);
    -moz-transition: opacity ease-out 200ms;
    -o-transition: opacity ease-out 200ms;
    -webkit-transition: opacity ease-out 200ms;
    transition: opacity ease-out 200ms;
}

.mpo-title {
    margin-top: 0;
    font-weight: bold;
}


.mpo-display {
    opacity: 1;
}

.mpo-close {
    position: absolute;
    right: -16px;
    top: -16px;
    line-height: 30px;
    width: 34px;
    text-align: center;
    font-weight: bold;
    font-family: Arial;
    font-size: 20px;
    color: #FFF;
    background: #525252;
    border-radius: 50%;
    border: 2px solid #FFF;
    cursor: pointer;
    -moz-transition: background linear 100ms;
    -o-transition: background linear 100ms;
    -webkit-transition: background linear 100ms;
    transition: background linear 100ms;
}

    .mpo-close:hover {
        background: #000;
    }