.form-input3-5{
    width: 148px;
    margin-right: 10px;
}
.form-input3-5:nth-of-type(3n){
    margin-right: 0;
}
 

.nav-box .nav-li.current{display:block;}
.nav-box  .nav-li.current .current.sub-nav{
    color: red;
}
.nav-box  .nav-li.current .current.sub-nav a{
    color: #3f99d8;
}