CSS Media Queries 模板

/* Smartphones (portrait and landscape) ----------- */
@media only screen
	and (min-width : 320px)
	and (max-width : 480px) {
	/* Styles */
}
 
/* Smartphones (landscape) ----------- */
@media only screen
	and (min-width : 321px) {
	/* Styles */
}
 
/* Smartphones (portrait) ----------- */
@media only screen
	and (max-width : 320px) {
	/* Styles */
}
 
/* iPads (portrait and landscape) ----------- */
@media only screen
	and (min-width : 768px)
	and (max-width : 1024px) {
	/* Styles */
}
 
/* iPads (landscape) ----------- */
@media only screen
	and (min-width : 768px)
	and (max-width : 1024px)
	and (orientation : landscape) {
	/* Styles */
}
 
/* iPads (portrait) ----------- */
@media only screen
	and (min-width : 768px)
	and (max-width : 1024px)
	and (orientation : portrait) {
	/* Styles */
}
 
/* Desktops and laptops ----------- */
@media only screen
	and (min-width : 1224px) {
	/* Styles */
}
 
/* Large screens ----------- */
@media only screen
	and (min-width : 1824px) {
	/* Styles */
}
 
/* iPhone 4 ----------- */
@media
	only screen and (-webkit-min-device-pixel-ratio : 1.5),
	only screen and (min-device-pixel-ratio : 1.5) {
	/* Styles */
}

.main{
     width:800px;
     display:inline-block;
}
.sidebar{
     width:300px;
     display:inline-block;
}
 
/*Smartphones (portrait and landscape) ----------- */
@media only screen
	and (min-width : 320px)
	and (max-width : 480px) {
	.main{
		width:480px;
		/* webkit */
		-webkit-animation-property: -webkit-width;
		-webkit-animation-property: -webkit-height;
		-webkit-transition-duration: 3s;
 
		/* moz */
		-moz-animation-property: -moz-width;
		-moz-animation-property: -moz-height;
		-moz-transition-duration: 3s;
 
		/* opera */
		-o-animation-property: -o-width;
		-o-animation-property: -o-height;
		-o-transition-duration: 3s;
	}
	.sidebar{
		width:480px;
		/* webkit */
		-webkit-animation-property: -webkit-width;
		-webkit-animation-property: -webkit-height;
		-webkit-transition-duration: 3s;
 
		/* moz */
		-moz-animation-property: -moz-width;
		-moz-animation-property: -moz-height;
		-moz-transition-duration: 3s;
 
		/* opera */
		-o-animation-property: -o-width;
		-o-animation-property: -o-height;
		-o-transition-duration: 3s;
	}
}