#header {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    height: 70px;
    width: 100%;
    background: transparent;
    color: #fff;
    text-align: center;
}
#header .box01{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height:100%;
    margin:0 5%;
}
#header.fixed {
    color:#54595F;
    background-color:rgb(255,255,255,0.8);
    transition: .5s;
}
#header .top-title{
    font-size:26px;
    font-weight: 600;
}
#header nav{
    width:240px;
    font-weight: 600;
}
#header ul{
    display: flex;
    justify-content: space-between;
}
@media screen and (max-width:500px){
    #header .top-title{
        font-size:16px;
    }
}