.nav {
    width: 100%;
    background-color: rgb(255, 255, 255);
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 70px;
    padding: 0 5%;
}

.nav_w {
    width: 91%;
    position: fixed;
    top: 0;
    z-index: 1 !important;
}

.nav_title {
    width: 60%;
}

.nav_title ul {
    width: 100%;
    display: flex;
    justify-content: space-around;
}

.nav_title ul li {
    height: 70px;
    line-height: 70px;
    padding: 0 3%;
    font-size: 20px;
}

.nav_title ul li a {
    color: #000;
}

.nav_title ul li:hover {
    color: #fff;
    background-color: rgb(111, 185, 216);
}

.nav_title ul li:hover a {
    color: #fff;
}