body {
    background-color: #000;
    color: #fff;
    font-family: "ＭＳ ゴシック";
}

#container {
    width: 100%;
    max-width: 960px;
    margin-right: auto;
    margin-left: auto;
}

#left-col {
    position: relative; 
    overflow: hidden; 
    margin-left:20px;
    margin-top:20px;
    float:left;
}

#right-col {
    margin-left:0px;
    margin-top:20px;
    float:left;
    width:300px;
}

.display-none {
    display: none;
}

.footer-content a {
    color: #00bfff;
}

.footer-content a:hover {
    color: #f00;
}