.tree {
    min-height:20px;
    padding:19px;
    margin-bottom:20px;
    background-color:#fbfbfb;
    border:1px solid #999;
    -webkit-border-radius:4px;
    -moz-border-radius:4px;
    border-radius:4px;
    -webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    -moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05)
}
.tree li {
    list-style-type:none;
    margin:0;
    padding:10px 5px 0 5px;
    position:relative
}
.tree li::before, .tree li::after {
    content:'';
    left:-20px;
    position:absolute;
    right:auto
}
.tree li::before {
    border-left:1px solid #999;
    bottom:50px;
    height:100%;
    top:0;
    width:1px
}
.tree li::after {
    border-top:1px solid #999;
    height:20px;
    top:25px;
    width:25px
}
.tree li span {
    -moz-border-radius:5px;
    -webkit-border-radius:5px;
    border:1px solid #999;
    border-radius:5px;
    display:inline-block;
    padding:3px 8px;
    text-decoration:none
}
.tree li.parent_li>span {
    cursor:pointer
}
.tree>ul>li::before, .tree>ul>li::after {
    border:0
}
.tree li:last-child::before {
    height:30px
}
.tree li.parent_li>span:hover, .tree li.parent_li>span:hover+ul li span {
    background:#eee;
    border:1px solid #94a0b4;
    color:#000
}

body{
    margin: 60px 30px;
}

form.layui-form.search_form {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.layui-input:hover, .layui-textarea:hover {
    border-color: #399884!important;
}

.layui-input, .layui-textarea {
    display: block;
    width: 100%;
    padding-left: 10px;
    border: 1px solid #a8a8a8;
}

body {
    margin: 35px 0;
}


#title {
    background-color: #f9f5e8;
    padding: 6px 0;
    border-left: none;
    border-right: none;
    text-align: center;
    font-size: 10px;
    color: #707070;
}

.add_box{
    width:320px;
    margin: auto;
    display: flex;
    justify-content: start;
    margin-bottom: 20px;
}

span.curr {
    color: #626262;
        font-size: 12.5px;
}



.nav_group{
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

#nav a.layui-btn.layui-btn-primary.layui-btn {
    border: none;
    font-size: 13px;
    margin-bottom: 5px;
}

#add_class{
    text-decoration: none;
}

a#add_class {
    color: white;
    margin-right: 15px;
}

.layui-input-inline {
    display: flex;
    align-items: center;
}

a{
    text-decoration: none;
}

thead {
    height: 35px;
}

.data thead th {
    text-align: center;
    padding-top: 5px;
    padding-bottom: 4px;
    background-color: #f6f6f6;
    color: #373737;
    border-right: 2px white solid;
    font-weight: 600;
}
tbody th:hover {
background-color: #626262;
}

a.layui-btn.layui-btn-warm.layui-btn-sm {
    color: #6e3500;
    text-decoration: none;
}

div#table_layout {
    width: 80%;
    margin: auto;
}

tbody a:link {
    color: #232323;
    TEXT-DECORATION: none;
}

tbody a:visited {
    color: #232323;
    TEXT-DECORATION: none;
}

.layui-table[lay-skin=line] td:hover {
    background-color: rgb(246, 246, 246);
}
tbody a:link:hover {
    color: #4a85ff;
    TEXT-DECORATION: none;
}
tbody a:visited:hover {
    color: #4a85ff;
    TEXT-DECORATION: none;
}

.layui-table {

    color: #9e9e9e;
}


.btn_list {
    display: flex;
    justify-content: center;
    margin-top: 50px;
    margin-bottom: 15px;
}

.btn_list a {
    border: none;
    font-size: 13px;
    margin-bottom: 5px;
    text-decoration: none;
    color: rgb(88, 87, 87);
}

.btn_list a:hover {
    color: rgb(155, 155, 155);
}

.layui-input,
.layui-textarea {
    display: block;
    width: 100%;
    padding-left: 10px;
    border: 1px solid #a8a8a8;
}

.layui-input:hover,
.layui-textarea:hover {
    border-color: #399884 !important;
}

.layui-table[lay-skin=line] td, .layui-table[lay-skin=line] th {
    text-align: center;
}