.header-3{
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    /* border-bottom: 2px solid #1F6D77; */
    position: fixed;
    top: 0;
    width: 100%;
    left: 0;
    z-index: 9999;
    background-color: white;
    padding: 10px;
}
.header-3-content{
    display: flex;
    justify-content: center;
}
.header-3 img{
    width: 200px;
}