.sourse_card {
        background: #ffffff;
            -webkit-box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.9), 0 1px 2px rgba(0, 0, 0, 0.1);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.9), 0 1px 2px rgba(0, 0, 0, 0.1);
            border: 1px solid #ccc;
                -moz-border-radius: 3px;
                -webkit-border-radius: 3px;
                border-radius: 3px;
    }
    .sourse_card:hover {
        border: 1px solid gray;
    }
    .bg1 {
        background: url(img/bg1.png) no-repeat;
        background-size: auto 100%;
        background-position: right;
    }
    .bg2 {
        background: url(img/bg2.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .bg3 {
        background: url(img/bg3.jpg) no-repeat;
        background-size: auto 100%;
        background-position: right;
    }
    .bg4 {
        background: url(img/bg4.png) no-repeat;
        background-size: auto 100%;
        background-position: right;
    }
    .bg5 {
        background: url(img/bg5.jpg) no-repeat;
        background-size: auto 100%;
        background-position: left;
    }
    .bg6 {
        background: url(img/bg6.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .bg7 {
        background: url(img/bg7.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .bg8 {
        background: url(img/bg8.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .bg9 {
        background: url(img/bg9.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .bg10 {
        background: url(img/bg10.jpg) no-repeat;
        background-size: auto 100%;
        background-position: center;
    }
    .course_card_right {
        position: relative;
    }
    .course_card_right .subject {
        margin: 5px;
        padding: 0 5px 3px 5px;
        background: #D6E3D6;
        font-family: 'Aptima';
        -moz-border-radius: 5px;
            -webkit-border-radius: 5px;
            border-radius: 5px;
    }
    .course_card_right h2 {
        margin: 10px 0 7px 5px;
        font-family: 'OpenSansCondensed';
        color: navy;
    }
    .course_card_right p {
        margin: 5px;
        text-align: justify;
        font-family: 'CVA';
    }
    .course_card_footer {
        background: #D6E3D6;
        padding: 5px;
        -moz-border-bottom-right-radius: 3px;
            -webkit-border-bottom-right-radius: 3px;
            border-bottom-right-radius: 3px;
    }
    a.course_card_btn {
        display: block;
        float: right;
        font-weight: bold;
        color: #fff;
        font-size: 13px;
        margin: 3px 0 0 2px;
        padding: 6px 6px;
            -moz-border-radius: 2px;
            -webkit-border-radius: 2px;
            border-radius: 2px;
    }
    .course_card_btn:hover {
        color: #fff;
        background: #018CC5;
    }
    .course_card_process {
        margin: 0;
        position: relative;
        margin-right: 90px;
    }
    .course_card_process h3 {
        margin: 0;
        font-size: 13px;
    }
    .project-bar {
        height: 13px;
        background: #ffffff;
        border-radius: 10px;
        margin: -16px 0 0 75px;
    }
    .project-percent {
        height: 13px;
        background-color: #2196F3;
        border-radius: 10px;
        position: relative;
        width: 0;
        transition: 2s linear;
    }
    .project-percent::before {
        content: attr(percent);
        position: absolute;
        right: 0px;
        left: 0px;
        padding: 0;
        color: #ffffff;
        font-size: 13px;
        border-radius: 15px;
        font-weight: bold;
        width: 20px;
        margin: -4px auto 0 auto;
    }

    .course_post {
        float: left;
        background: url(img/course_icon.png) no-repeat;
        background-size: 50px 50px;
        padding: 5px 0 0 58px;
        margin-bottom: 10px;
    }
    .course_post a {
        font-size: 17px;
        font-size: 'Aptima';
    }
    .course_post span {
        display: inline-block;
        color: gray;
        margin-right: 10px;
    }
    .slide_list_horizontal {
        margin-right: 0;
        overflow: auto;
        white-space: nowrap; 
    }
    .slide_list_horizontal::-webkit-scrollbar {
        display: none;
    }
    .slide_list_horizontal {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    a.slide_item {
        display: block;
        float: left;
        margin: 0 10px 10px 0;
        padding: 10px 0;
        border: 1px solid #fff;
        text-align: center;
        font-weight: bold;
        color: white;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .slide_list_horizontal a.slide_item {
        display: inline-block;
        float: none;
    }
    .slide_item_text {
        background: #00897B;
    }
    .slide_item_timeline {
        background: #9175F9;
    }
    .slide_item_quiz {
        background: #E58C64;
    }
    .slide_item:hover {
        border: 1px solid #000;
        color: white;
    }
    .slide_item img {
        border: 0;
        width: 100px;
        margin-bottom: 5px;
    }
    .slide_add {
        display: block;
        float: left;
        margin: 0 10px 10px 0;
        padding: 10px 0;
        border: 1px solid #fff;
        background: #ccc;
        text-align: center;
        font-weight: bold;
        color: blue;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .slide_list_horizontal a.slide_add {
        display: inline-block;
        float: none;
    }
    .slide_add:hover {
        border: 1px solid #000;
        color: blue;
    }
    .slide_add img {
        border: 0;
        width: 100px;
        margin-bottom: 5px;
    }
    .slide_step_form {
        padding: 10px;
        margin-bottom: 10px;
        border: 1px solid #ccc;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .step_item_text {
        padding: 1px 5px;
        border-radius: 5px;
        font: 15px 'LaTeX';
    }
    .step_item_text:hover {
        background: #FFFFA5;
    }
    .step_item_quiz:hover {
        background: #4DD0E1;
    }
    .step_item_text:hover .step_item_text_control {
        display: block;
    }
    .step_item_text_control {
        float: right;
        text-align: right;
        display: none;
    }
    .step_item_text_control a {
        display: inline-block;
        margin-left: 15px;
    }
    .step_item_timeline_control {
        margin-top: 10px;
    }
    .timeline_text:hover .step_item_timeline_control a {
        display: inline-block;
    }
    .timeline_text:hover .step_item_timeline_control span {
        display: inline-block;
    }
    .step_item_timeline_control a, .step_item_timeline_control span {
        display: none;
        margin-left: 15px;
    }
    #slide_list {
        margin: 10px;
    }
    .user_activity_list {
        border: 1px solid rgba(0, 0, 0, 0.1);
        margin: -2px -2px -1px -1px;
    }
    .user_activity_header {
        background: gray;
        color: #fff;
    }
    .user_activity_item {
        display: block;
        background: #fff;
        color: #000;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }
    .user_activity_item:hover {
        background: #FFFFA5;
    }
    .user_activity_col {
        float: left;
        border-left: 1px solid rgba(0, 0, 0, 0.1);
        padding: 10px;
    }
    .user_activity_col2 img {
        float: left;
        width: 32px;
        margin: -6px 5px -6px 0;
        border: 0;
        -moz-border-radius: 2px;
            -webkit-border-radius: 2px;
            border-radius: 2px;
    }

    .faq {
        background: #F0F2F5;
        border: 1px solid #E2E7EF;
        -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,0.3);
        -moz-box-shadow: 1px 1px 1px rgba(0,0,0,0.3);
        box-shadow: 1px 1px 1px rgba(0,0,0,0.3);
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
        padding: 10px;
        margin: -10px 7px 20px 6px;
    }
    .faq_form {
        margin-bottom: 10px;
    }
    .faq_list .faq_form {
        margin: 10px 0 0 0;
    }
    .faq_list .faq_form .faq_form_avatar {
        width: 40px;
    }
    .faq_list .faq_form .faq_form_area {
        margin-left: 50px;
    }
    .faq_form .faq_form_avatar {
        float: left;
        width: 50px;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .faq_form .faq_form_area {
        margin-left: 60px;
    }
    .faq_form .faq_form_area textarea {
        min-width: 100%;
        max-width: 100%;
        height: 40px;
		font-size: 13px;
        border: 1px solid #ccc;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .faq_form .faq_form_area textarea:focus {
        border: 1px solid #ddd;
    }
    .faq_form .faq_form_area .faq_form_submit {
        margin-top: 0;
    }
    .faq_form .faq_form_area .imageupload {
        display: none;
    }
    .faq_form .faq_form_area .faq_form_icon {
        float: left;
        margin-top: 0;
    }
    .faq_form .faq_form_area .faq_form_icon img {
        border: 0;
        height: 34px;
    }
    .faq_form .faq_form_area .post_photo {
        display: inline-block;
        padding: 2px;
        background: #ccc;
        border: 1px solid #ddd;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .faq_item {
        border-top: 1px solid #ccc;
        padding: 5px 0;
    }
    .faq_item .faq_item_avatar {
        float: left;
        width: 50px;
        -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;
    }
    .faq_item .faq_item_area {
        margin-left: 60px;
    }
    .faq_item .faq_item_title span {
        display: inline-block;
        color: gray;
        margin-left: 15px;
    }
    .faq_item .faq_item_title b {
        color: blue;
		font: bold 16px OpenSansCondensed;
    }
    .faq_item .faq_item_content {
        margin-top: 5px;
        text-align: justify;
    }
    .faq_item .faq_item_photo {
        max-width: 100%;
		margin-top: 5px;
        border: 0;
    }
    
@media screen and (min-width: 800px) {
    .sourse_card {
        float: left;
        width: 488px;
        margin: 5px;
    }
    .course_card_left {
        width: 100px;
        height: 200px;
        float: left;
        margin: 0 0 -1px -1px;
            -moz-border-top-left-radius: 3px;
	        -webkit-border-top-left-radius: 3px;
			border-top-left-radius: 3px;
            -moz-border-bottom-left-radius: 3px;
	        -webkit-border-bottom-left-radius: 3px;
			border-bottom-left-radius: 3px;
    }
    .course_card_right {
        float: right;
        width: 389px;
        height: 195px;
        margin: 5px 0 -0.5px 0;
    }
    .course_card_footer {
        width: 379px;
        height: 35px;
        position: absolute;
        bottom: 0;
    }

    .admin_course {
        margin: 0 auto;
        width: 600px;
    }
    .label {
        text-align: left;
    }
    .admin_course input[type=text], .admin_course input[type=file], .admin_course select, .admin_course textarea {
		width: 100%;
        min-width: 100%;
        max-width: 100%;
	}
    .admin_course .text-editor {
		width: 100%;
	}
    .course_post {
        width: 431px;
        height: 50px;
    }
    .slide_list {
        margin-right: -15px;
    }
    a.slide_item, a.slide_add {
        width: 152.5px;
    }
    .slide_step_form input[type=text], .slide_step_form input[type=file] {
		width: 100%;
	}
    .slide_step_form select {
		width: 100%;
	}
    .slide_step_form textarea.text-editor, .slide_step_form #choice1, .slide_step_form #choice2, .slide_step_form #choice3, .slide_step_form #choice4 {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }

    .timeline{
		position: relative;
		margin: -20px auto;
		padding: 0px 20px;
		box-sizing: border-box;
	}
	.timeline ul {
		margin: 0;
		padding: 0;
	}
	.timeline ul li{
		line-height: normal;
		position: relative;
		width: 50%;
		padding: 20px;
		box-sizing: border-box;
		list-style: none;
	}
	.timeline:before{
		content: '';
		position: absolute;
		left: 50%;
		width: 2px;
		height: 100%;
		background: #c5c5c5;
	}
	.timeline ul li:nth-child(odd){
		float: left;
		text-align: right;
		clear: both;
	}
	.timeline ul li:nth-child(even){
		float: right;
		text-align: left;
		clear: both;
	}	
	.timeline_text {
		padding-bottom: 20px;
	}
	.timeline ul li:nth-child(odd):before{
		content: '';
		position: absolute;
		top: 24px;
		right: -6px;
		width: 10px;
		height: 10px;
		background: rgba(97, 123, 227, 1);
		border-radius: 50%;
		box-shadow: 0 0 0 3px rgba(97, 123, 227, 0.2);
	}
	.timeline ul li:nth-child(even):before{
		content: '';
		position: absolute;
		top: 24px;
		left: -4px;
		width: 10px;
		height: 10px;
		background: rgba(97, 123, 227, 1);
		border-radius: 50%;
		box-shadow: 0 0 0 3px rgba(97, 123, 227, 0.2);
	}
	.timeline ul li h3 {
		margin: 0 0 10px 0;
		padding: 0;
		font-weight: 500;
		color: yellow;
	}
	.timeline ul li p{
		margin: 0;
		padding: 0;
	}
	.timeline ul li .timeline_time h4{
		margin: 0;
		padding: 0;
		font-size: 14px;
	}
	.timeline ul li:nth-child(odd) .timeline_time {
		position: absolute;
		top: 12px;
		left: 103%;
		right: -250px;
		padding: 8px 16px;
		background: rgba(97, 123, 227, 1);
		color: #fff;
		border-radius: 18px;
		box-shadow: 0 0 0 3px rgba(97, 123, 227, 0.4);
	}
	.timeline ul li:nth-child(even) .timeline_time {
		position: absolute;
		top: 12px;
		right: 103%;
		left: -250px;
		padding: 8px 16px;
		background: rgba(97, 123, 227, 1);
		color: #fff;
		border-radius: 18px;
		box-shadow: 0 0 0 3px rgba(97, 123, 227, 0.4);
	}
    .box .timeline {
		margin: 0 auto;
	}
    .box .timeline ul li h3 {
        color: blue;
    }
    .box .timeline ul li:nth-child(odd) .timeline_time {
		right: -260px;
    }
    .box .timeline ul li:nth-child(even) .timeline_time {
		left: -255px;
    }
    .slide .timeline ul li:nth-child(odd) .timeline_time {
		right: -240px;
    }
    .slide .timeline ul li:nth-child(even) .timeline_time {
		left: -240px;
    }
    
    .user_activity_col1 {
        width: 40px;
        border-left: 0;
    }
    .user_activity_col2 {
        width: 500px;
    }
    .user_activity_col3 {
        width: 220px;
    }
    .user_activity_col4 {
        width: 155px;
    }
}

@media screen and (max-width: 799px) {
    .sourse_card {
        margin-bottom: 10px;
    }
    .course_card_left {
        display: none;
    }
    .course_card_right {
        margin: 5px 0 0 -0.5px;
    }
    .course_card_right p {
        min-height: 45px;
    }
    .course_card_footer {
        -moz-border-bottom-left-radius: 3px;
	    -webkit-border-bottom-left-radius: 3px;
		border-bottom-left-radius: 3px;
    }
    .admin_course input[type=text], .admin_course input[type=file], .admin_course select, .admin_course textarea {
		width: 100%;
	}
    .admin_course .text-editor {
		width: 100%;
	}
    .course_post {
        min-height: 50px;
    }
    .slide_list {
        margin-right: -15px;
    }
    a.slide_item, a.slide_add {
        width: 46%;
    }
    .box input[type=text], .box input[type=file], .box select, .box textarea, .text-editor {
		width: 100%;
	}

    .step_item_text:hover .step_item_text_control span {
        display: none;
    }

    .timeline{
		position: relative;
		margin: 0;
		padding: 0;
	}
    .timeline ul li h3 {
		color: yellow;
	}
    .timeline ul li .timeline_time h4{
		margin: 0;
		padding: 0;
		font-size: 14px;
        color: violet;
	}

    .user_activity_col1 {
        display: none;
    }
    .user_activity_col2 {
        width: 43%;
        padding: 10px 5px;
    }
    .user_activity_col3 {
        width: 26%;
        padding: 10px 5px;
        font-size: 12px;
    }
    .user_activity_col4 {
        width: 22%;
        padding: 10px 5px;
    }
}