body {
    background-color: #eee;
}
.titulo-principal {
    font-size: 30px;
    color: #333;
    margin-top: 30px;
    margin-bottom: 50px;
    text-align: center;
}
#footer-note {
    text-align: center;
    padding: 15px;
    width: 100%;
    position: initial;
    margin-top: 35px;   
}
.link-imagens {
    text-decoration: none;
    color: blue;
    cursor: pointer;
}
.fancybox-nav span {   
    visibility: visible;
}
#nav-tecnicas {
    padding-bottom: 15px;
    border-bottom: 1px solid #777;
}
#nav-tecnicas li {
    float: left;
    text-align: center;
}
#nav-tecnicas .icon-tecnica {
    max-width: 60px;    
    height: 60px;
}
#nav-tecnicas .texto {
    display: block; 
    padding-top: 15px;   
}


@media (max-width: 767px) {   
    #nav-principal {
        background: transparent;
    }
    #nav-tecnicas li {
        margin-bottom: 15px;
    }
    #nav-tecnicas li a {
        padding: 0;
    }
}

@media (min-width: 768px) {       
    
}

@media (min-width: 992px) {    
    
}

@media (min-width: 1200px) {
    
}
@media (min-width: 1440px) {    
     
}
@media (min-width: 1770px) {   
    
    
}