a.active.focus,
a.active:focus,
a.focus,
a:active.focus,
a:active:focus,
a:focus,
button.active.focus,
button.active:focus,
button.focus,
button:active.focus,
button:active:focus,
button:focus,
.btn.active.focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn:active:focus,
.btn:focus {
    outline: 0!important;
    outline-color: transparent!important;
    outline-width: 0!important;
    outline-style: none!important;
    box-shadow: 0 0 0 0 rgba(0,123,255,0)!important;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    font-family: arial, Arial, Helvetica, sans-serif;
    font-size: 13px;
    font-weight: normal;
    color: #444444;
    background-color: #e0e0e0;
}

.btn {
    display: inline-block;
    padding: 16px 20px;
    border-radius: 4px;
    text-decoration: none;
    background: #777777;
    color: #ffffff;
    font-size: 16px;
}

.btn:hover {
    color: #ffffff;
    background: #565056;
}

.btn:visited {
    color: #ffffff;
}

.btn:focus {
    color: #ffffff;
}

.site-wrapper {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    -webkit-box-shadow: 0 0 16px 0 rgba(0,0,0,.16);
    -moz-box-shadow: 0 0 16px 0 rgba(0,0,0,.16);
    box-shadow: 0 0 16px 0 rgba(0,0,0,.16);
}

.site-header {

}

.site-branding {
    height: 110px;
    padding: 30px;
}

.site-branding > a {
    display: block;
    height: 100%;
}

.site-branding > a > img {
    height: 100%;
    width: auto;
}

.site-menu {
    background-color: #222222;
}

.site-menu > ul > li {
    display: inline-block;
}

.site-menu > ul > li > a {
    display: block;
    background-color: #222222;
    color: #cccccc;
    padding: 16px 30px;
    font-size: 16px;
}

.site-menu > ul > li > a:hover {
    background: #484848;
    color: #fff;
}

.site-main {
    padding: 30px;
}

.site-folders {

}

.site-folder {
    display: inline-block;
    vertical-align: top;
    overflow: hidden;
    width: 150px;
    text-align: center;
    margin: 0 16px 16px 0;
    text-decoration: none;
}

.site-folder > i {
    font-size: 150px;
    color: #777777;
}

.site-folder:hover > i {
    color: #565056;
}

.site-folder > span {
    font-size: 14px;
    font-weight: bold;
    color: #000;
}

.site-files {
    text-align: left;
    vertical-align: top;
}

.site-file {
    display: inline-block;
    overflow: hidden;
    border-radius: 4px;
    width: 150px;
    height: 150px;
    background: #777;
    margin: 0 16px 16px 0;
    box-shadow: 0 1px 4px 0 rgba(0,0,0,0.37);
    text-decoration: none;
    color: #eeeeee;
    font-size: 80px;
    text-align: center;
    line-height: 150px;
}

.site-file > img {
    width: 100%;
    height: 100%;
}

.site-file > img:hover {
    opacity: 0.7;
}

.page-header {
    background: #f9f9f9;
    background-image: linear-gradient(bottom,#FAFAFA 0%,#FFFFFF 100%);
    background-image: -o-linear-gradient(bottom,#FAFAFA 0%,#FFFFFF 100%);
    background-image: -moz-linear-gradient(bottom,#FAFAFA 0%,#FFFFFF 100%);
    background-image: -webkit-linear-gradient(bottom,#FAFAFA 0%,#FFFFFF 100%);
    background-image: -ms-linear-gradient(bottom,#FAFAFA 0%,#FFFFFF 100%);
    border-bottom: 1px solid #e4e4e4;
    border-top: 1px solid #e4e4e4;
    padding: 25px 30px;
    margin-top: -30px;
    margin-left: -30px;
    margin-right: -30px;
    box-shadow: inset 0 3px 0 0 rgba(0,0,0,.02);
    -webkit-box-shadow: inset 0 3px 0 0 rgba(0,0,0,.02);
    -moz-box-shadow: inset 0 3px 0 0 rgba(0,0,0,.02);
    overflow: hidden;
    margin-bottom: 30px;
}

.page-title {
    font-family: arial, Arial, Helvetica, sans-serif;
    font-size: 18px;
    line-height: 18px;
    font-weight: normal;
    color: #666666;
    display: block;
    float: left;
    margin: 0;
}

.page-breadcrumbs {
    display: block;
    float: right;
    list-style: none;
    margin: 0;
    padding: 0;
    line-height: 18px;
    color: #aaaaaa;
}

.page-breadcrumbs > li {
    display: inline-block;
    margin: 0 2px;
}

.page-breadcrumbs > li > a {
    display: inline-block;
    line-height: 18px;
    color: #aaaaaa;
}

.page-breadcrumbs a, .page-breadcrumbs span {
    text-decoration: none;
    color: #aaaaaa;
}

.page-buttons {
    padding: 20px 0;
}

.site-copyright {
    background: #222222;
    color: #777777;
    padding: 30px;
}

.site-copyright > a {
    color: #777777;
    text-decoration: none;
}

.site-copyright > a:hover {
    color: #fff;
}

.one_third {
    width: 220px;
    display: inline-block;
    position: relative;
    margin-right: 4%;
    margin-bottom: 20px;
    vertical-align: top;
}

.one_third > p {
    display: none;
}

.lesson_box {
    display: inline-block;
}

.lesson_box .box_title {
    display: block;
}

.lesson_box .lesson_number {
    display: inline-block;
    width: 44px;
    padding: 12px;
    margin-right: 4px;
    text-align: center;
    background-color: #dce4d0;
    float: left;
    font-weight: bold;
    color: #000;
}

.lesson_box .lesson {
    display: inline-block;
    padding: 12px;
    width: 170px;
    float: left;
    color: #000;
}