.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99;
    height: @layout-header-height;
    padding: @layout-header-padding;
    background: @layout-header-bg;
    color: #fff; 

    .nav {
        &-item {
            float: left;
            line-height: @layout-header-height;
            font-size: 14px;
            font-weight: 600;
        }

        &-left {
            float: left;
        }

        &-right {
            float: right;
    
            .ant-menu {
                background: @layout-header-bg;
                color: #fff;
                line-height: @layout-header-height - 1px;
                
                &-horizontal {
                    border-bottom: none;
                }

                &-item {
                    border-bottom: none;
                    border-right: 1px solid @layout-header-hover-bg;

                    &:hover,
                    &-selected {
                        // border-bottom: none;
                        background: @layout-header-hover-bg;
                        color: #fff;
                    }
    
                }
            }
        }
    }
}

.content {
    // height: 84%;
    min-width: 880px;
    padding: 15px 20px;
    position: relative;
    margin: 48px 0 90px 220px;
    overflow-y: auto;
    overflow-x: auto;
}