hr.customhr {
    height: 30px;
    border-style: solid;
    border-color: #8c8b8b;
    border-width: 1px 0 0 0;
    border-radius: 20px;
}

    hr.customhr:before {
        display: block;
        content: "";
        height: 30px;
        margin-top: -31px;
        border-style: solid;
        border-color: #8c8b8b;
        border-width: 0 0 1px 0;
        border-radius: 20px;
    }