/*----responsive-design-----
@media only screen and (max-width: 1440px) 
{
}
@media only screen and (max-width: 1366px) {
}
@media only screen and (max-width: 1280px) 
{
}
@media only screen and (max-width: 1024px) {
}
@media only screen and (max-width: 800px) {
}
@media only screen and (max-width: 640px)  
{
}
@media only screen and (max-width: 480px) 
{
}*/