#container { position:relative; height:100%; overflow:hidden; background:#f0f8ff;}
#container:after { content:""; display:block; clear:both;}

.main_content {position:relative; z-index:7; width:980px; margin:25px auto; min-height:490px;}
.main_content:after { content:""; display:block; clear:both;}

.MC_wrap {position:absolute; left:515px; top:0; width:288px; height:auto;}

.MC_box1 { position:relative; width:100%; height:380px;} /* 메인비주얼 */
.MC_box2 { width:49%; height:200px; float:left; margin-bottom:25px; } /* 공지사항 */
.MC_box3 { width:49%; height:200px; float:right; margin-bottom:25px; } /* 학사일정 */
.MC_box4 { width:35%; height:290px; float:left; } /* 알림판 */
.MC_box5 { width:35%; margin:0 2.5%; height:290px; float:left; } /* 포토앨범 */
.MC_box6 { width:25%; height:290px; float:left; } /* 오늘의식단 */

@media (max-width:1024px) {

	#container,
	.main_content,
	.MC_box1, .MC_box2, .MC_box3, .MC_box4, .MC_box5, .MC_box6, .MC_box7, .MC_box8 { -webkit-box-sizing:border-box; -moz-box-sizing:border-box; -ms-box-sizing:border-box; box-sizing:border-box}

	.MC_wrap, .MC_wrap2, .MC_box1, .MC_box2, .MC_box3, .MC_box4, .MC_box5, .MC_box6, .MC_box7, .MC_box8 { -webkit-transition:all 0.3s ease; -moz-transition:all 0.3s ease; -ms-transition:all 0.3s ease; transition:all 0.3s ease}

	#container { width:100%;}
	.main_content {width:95%;}

	.MC_box1  { height:auto;}
	.MC_box2 { width:100%; }
	.MC_box3 { width:49%; height:290px; float:left; }
	.MC_box4 { width:49%; float:right; margin-bottom:25px; }
	.MC_box5 { width:49%; height:200px; margin:0 2% 0 0; }
	.MC_box6 { width:49%;  }
}

@media (max-width:640px) {
	.MC_box3 { width:100%;}
	.MC_box4 { width:100%;}
	.MC_box5 {width:100%;margin-bottom: 20px;}
	.MC_box6 { width:100%;}
}