#box {
    background: none repeat scroll 0 0 #F8F8EE;
    border-radius: 4px 4px 4px 4px;
    color: rgba(0, 0, 0, 0.8);
    line-height: 1.8;
    margin: 10px auto 30px;
    padding: 2em 1.5em;
    position: relative;
    text-shadow: 0 1px 0 #FFFFFF;
    width: 85%;
}


#box:after, .footer .after {
    left: auto;
    right: 10px;
    transform: rotate(5deg);
}

#box:before, #box:after, .footer .before, .footer .after {
    background: none repeat scroll 0 0 rgba(0, 0, 0, 0.7);
    bottom: 15px;
    box-shadow: 0 15px 10px rgba(0, 0, 0, 0.7);
    content: "";
    left: 7px;
    max-width: 90px;
    position: absolute;
    top: 80%;
    transform: rotate(-5deg);
    width: 90%;
    z-index: -1;
}


body {
    background: url("https://images.cnblogs.com/cnblogs_com/rush/268781/o_bg-clouds.png") no-repeat fixed left 0 #C0DEED;
    color: #333333;
    height: 100%;
    top: 0;
    width: 100%;
    z-index: -1;
}

div#sideBar {
    background-color: rgba(0, 0, 0, 0) !important;
    border: medium none !important;
}