.list_v ul {
            margin: 0;
            padding: 0;
            list-style: none
        }


    ul.dropdown5 {
        position: relative;
        width: 500px;
    }

        ul.dropdown5 li {
            font-weight: 700;
            float: left;
            width: 500px;
            position: relative;
            background: #fff
            
        }

        ul.dropdown5 a:hover {
            color: #000
        }

        ul.dropdown5 li a {
            display: block;
            padding: 10px 8px;
            color: #34495e;
            position: relative;
            z-index: 2000;
            
            text-decoration: none;
            font-weight: 300
        }

            ul.dropdown5 li a:hover, ul.dropdown5 li a.hover {
                background: #1890ff;
                position: relative;
                color: #fff
            }

        ul.dropdown5 ul {
            display: none;
            position: absolute;
            top: 0;
            left: 0;
            width: 180px;
            z-index: 1000
        }

            ul.dropdown5 ul li {
                font-weight: 400;
                background: #fff;
                color: #000;
                border-bottom: 1px solid #ccc
            }

                ul.dropdown5 ul li a {
                    display: block;
                    color: #34495e !important;
                    background: #eee !important
                }

                    ul.dropdown5 ul li a:hover {
                        display: block;
                        background: #fff !important;
                        color: #1890ff !important
                    }

.drop > a {
    position: relative
}

    .drop > a:after {
        content: "";
        position: absolute;
        right: 10px;
        top: 40%;
        border-left: 5px solid transparent;
        border-top: 5px solid red;
        border-right: 5px solid transparent;
        z-index: 999;
        
    }

    .drop > a:hover:after {
        content: "";
        border-left: 5px solid transparent;
        border-top: 5px solid #fff;
        border-right: 5px solid transparent
    }