.sd_full,
.sd_center {
    float: left;
    color: #000;
    margin: 0 0 0px 5px;
    padding: 0px 20px 0px 5px;
    width: 1680px;
    font: 1.3em arial, helvetica, verdana, sans-serif;
}

.sd_left {
    color: #000;
    margin: 0 0 0 5;
    padding: 0px 5px 0px 0px;
    width: 800px;
    height: auto;
    /* border: solid 1px #dedede; */
    font: 1.3em Trebuchet MS, Arial, helvetica, verdana, sans-serif;
}

.sd_right {
    clear: both;
    float: initial;
    color: #000;
    margin: 0 0 0 0;
    padding: 3px 0px 0px 0px;
    width: 450px;
    height: auto;
    font: 1.3em Trebuchet MS, Arial, helvetica, verdana, sans-serif;
}


.sd_login {
    float: left;
    color: #000;
    margin: 0 0 0 5;
    padding: 0px 5px 0px 0px;
    width: 650px;
    height: 300px;
    font: 1.3em arial, helvetica, verdana, sans-serif;
}


.sd_left_full {
    float: left;
    color: #000;
    margin: 0;
    padding: 0;
    width: 1280px;
    font: 1.3em arial, helvetica, verdana, sans-serif;
}

.sd_right_zero {
    clear: both;
    float: right;
    color: #000;
    margin: 0;
    padding: 0;
    width: 0px;
    height: 1000px;
    font: 1.3em arial, helvetica, verdana, sans-serif;
}