#modalContainer {
    background-color: rgba(0, 0, 0, 0.3);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    z-index: 10000;
    /*background-image: url(tp.png);*/ /* required by MSIE to prevent actions on lower z-index elements */
}

#alertBox {
    position: relative;
    width: 500px;
    min-height: 100px;
    margin-top: 50px;
    border: 1px solid #fff;
    background-color: #fff;
    background-repeat: no-repeat;
    background-position: 20px 30px;
    border-radius: 5px;
}

#modalContainer > #alertBox {
    position: fixed;
}

#alertBox h1 {
    margin: -1px;
    font: bold 0.8em;
    background-color: rgba(227, 24, 55, 0.70) !important;
    color: #FFF;
    border-bottom: 0px solid #000;
    padding: 40px 0 2px 5px;
}

#alertBox p {
    font: 0.8em;
    height: 50px;
    margin-top: 30px;
    text-align: center;
    border-bottom: 1px solid lightgray;
}


#alertBox #closeBtn {
    display: block;
    position: relative;
    margin: 5px auto;
    padding: 7px;
    border: 0 none;
    width: 70px;
    font: 0.7em;
    text-transform: uppercase;
    text-align: center;
    color: #FFF;
    background-color: #080347;
    border-radius: 3px;
    text-decoration: none;
    margin-right: 10px;
}

/* unrelated styles */

#mContainer {
    position: relative;
    width: 600px;
    margin: auto;
    padding: 5px;
    border-top: 2px solid #000;
    border-bottom: 2px solid #000;
    font: 0.7em;
}

h1, h2 {
    margin: 0;
    padding: 4px;
    font: bold 1.5em;
    border-bottom: 1px solid #000;
}

code {
    font-size: 1.2em;
    color: #069;
}

#credits {
    position: relative;
    margin: 25px auto 0px auto;
    width: 350px;
    font: 0.7em;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    height: 90px;
    padding-top: 4px;
}

    #credits img {
        float: left;
        margin: 5px 10px 5px 0px;
        border: 1px solid #000000;
        width: 80px;
        height: 79px;
    }

.important {
    background-color: #F5FCC8;
    padding: 2px;
}

code span {
    color: green;
}