@media only screen and (max-width: 1024px){
}

@media only screen and (min-width: 769px) and (max-width: 1024px){
}

@media only screen and (min-width: 681px) and (max-width: 768px){
}

@media only screen and (max-width: 680px){
h1 { font-size: 34px;line-height: 40px;}h2 { font-size: 30px;line-height: 30px;}h3 { font-size: 28px;line-height: 30px;}h4 { font-size: 25px;line-height: 25px;}h6 { font-size: 20px;}}