@media all and (max-width: 1920px) {
.content{
width:55%;
background-color:#ffffff;
text-align:center;
}
@media all and (max-width: 1690px) {
.content{
width:55%;
background-color:#ffffff;
}
@media all and (max-width: 1280px) {
.content{
width:55%;
background-color:#ffffff;
}
}
@media all and (max-width: 980px) {
.content{
width:75%;
background-color:#ffffff;
}
}
@media all and (max-width: 736px) {
.content{
width:75%;
background-color:#ffffff;
}
}
@media all and (max-width: 480px) { 
.content{
width:75%;
background-color:#ffffff;
}
}