.custom_header{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.menu-box, .lg-mn{
    background-color: #00181ef6 !important;
    backdrop-filter: blur(4px) !important;
    border-bottom: 2px solid #fff;
}
.bg_white{
    background-color:#fff !important;
}
.logo_principal{
    width: 100px;
    margin-top: 20px;
    margin-bottom: 10px;
}
.header_fixed{
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
}
.custom_header .pull-right li.btn-contacto{
    background-color: #fff;
    color: #fff !important; 
    padding: 2px 10px;
    border-radius: 10px;
}

.custom_header .pull-right li.btn-contacto:hover{
    background-color: #fff;
    color: #fff !important; 
    box-shadow: 0px 3px 5px rgba(0, 0, 0, 0.157);
    text-decoration: none;
    border: none;
}

.custom_header .pull-right li.btn-contacto:hover a{
    color: #fff !important; 
}

header.style4 nav > div > ul > li.btn-contacto > a::before{
    background-color: transparent;
}
.menu-item{
    font-weight: 200;
    font-size: 14px !important;
    text-transform: uppercase;
}