My fav reset and responsive css

My fav reset and responsive css

@charset "utf-8";
/* CSS Document */
html, form {
	width: 100%;
	height: 100%;
}
body {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
}
a {
	-webkit-transition: all 0.2s;
	-moz-transition: all 0.2s;
	-o-transition: all 0.2s;
	transition: all 0.2s;
}
a, a img {
	text-decoration: none;
	outline: none;
	border: none;
}
.clr {
	clear: both;
	height: 0;
}
::-webkit-input-placeholder {
color:#979a9b;
}
:-moz-placeholder {
color:#979a9b;
}
::-moz-placeholder {
color:#979a9b;
}
:-ms-input-placeholder {
color:#979a9b;
}
body, input, textarea, select, option {
	font-family: 'Celias';
}
*, *:after, *::before {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	text-decoration: none;
	list-style-type: none;
	outline: none;
}

@media screen and (max-width:1920px) {
}

@media screen and (max-width:1400px) {
}

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

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

@media screen and (max-width:480px) {
}

@media screen and (max-width:384px) {
}

@media screen and (max-width:320px) {
}