@media (max-width:640px){
body{
background: url("/image/frase/frase_4_mob.jpg") no-repeat center center fixed;
}
}
@media (min-width:641px) and (max-width:1024px){
body{
background: url("/image/frase/frase_4_tab.jpg") no-repeat center center fixed;
}
}
@media (min-width:1025px){
body{
background: url("/image/frase/frase_4_desk.jpg") no-repeat center center fixed;
}
}
body {
background-size: cover;
}