header {
    width: 100%;
    height: 80px;
    position: fixed;
    top: 0px;
    z-index: 20;
    background-color: #3d97e0;
    box-shadow: 1px 9px 5px -9px  #3d97e0
}



.header-box {
    width: 1400px;
    height: 80px;
    margin: 0 auto;
    background-color: #3d97e0;
    display: flex;
    justify-content: space-between;
}

 
.header-box-log img:nth-child(1) {
    width: 80px;
    height: 70px;
    object-fit: cover;

}

.header-box-log img:nth-child(2) {
    width: 500px;
    height: 80px;
    margin-left: -30px;
    object-fit: cover;
}

.nabter {
    width: 800px;
    height: 80px;
    /*     background-color: chartreuse; */
}

.nabter ul {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: #ffff;
    font-size: 18px;
}

.nabter ul li {
    text-align: center;
    position: relative;
}

.nabter ul li a {
    color: #ffff;

}

.nabter ul li::after {
    content: "";
    width: 0px;
    height: 2px;
    background-color: aqua;
    position: absolute;
    bottom: -28px;
    left: 0;
    transition: all 0.3s linear;
}

.nabter ul li:hover::after {
    width: 70px;
}