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				@@ -1,34 +1,34 @@ 
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				-.sign-body{ 
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				-  background: url("/static/sign/bg.jpg") no-repeat fixed bottom; 
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				-  background-size: 100% auto; 
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				-  background-color:#4eaceb; 
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				-  margin:0; 
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				-  font-family:"Arial"; 
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				-  padding-bottom: 30px; 
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				-  font-size: 18px; 
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				-  min-height: 600px; 
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				+ 
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				+.sign-body { 
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				+    background: url("/static/sign/bg.jpg") no-repeat fixed bottom; 
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				+    background-size: 100% auto; 
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				+    background-color:#4eaceb; 
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				+    margin:0; 
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				+    font-family:"Arial"; 
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				+} 
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				+@media screen and  (min-width: 640px){ 
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				+    .sign-body { 
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				+        font-size: 85.4px; 
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				+    } 
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				 } 
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				-ul, ol { 
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				-    padding-left: 0; 
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				-    margin: 0; 
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				-    list-style-type: none; 
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				+@media screen and  (min-width: 414px) and (max-width: 639px){ 
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				+    .sign-body { 
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				+        font-size: 55.2px; 
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				+    } 
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				 } 
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				-.clear{ 
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				-    clear: both; 
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				-    _zoom: 1; 
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				-} 
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				-.clear:after, .clear:before{ 
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				-     display: block; 
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				-     content: "clear"; 
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				-     height: 0; 
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				-     clear: both; 
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				-     overflow: hidden; 
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				-     visibility: hidden; 
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				-} 
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				-.fl{float: left;} 
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				-.fr{float: right;} 
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				+@media screen and (min-width:375px) and (max-width:413px){ 
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				+    .sign-body { 
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				+        font-size: 50px; 
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				+    } 
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				+} 
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				+ 
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				+@media screen and (min-width:320px) and (max-width:374px){ 
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				+    .sign-body { 
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				+        font-size: 42.7px; 
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				+    } 
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				+} 
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				 .title-2{ 
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				     width: 70%; 
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				@@ -37,52 +37,53 @@ ul, ol { 
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				     padding-top: 30px; 
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				     margin-bottom: 30px; 
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				     padding-bottom: 30px; 
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				+    font-size: 20px; 
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				     display: block; 
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				 } 
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				 .content-box { 
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				     width: 80%; 
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				     background-color: white; 
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				-    border-radius: .2rem; 
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				+    border-radius: .6rem; 
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				     margin-left: auto; 
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				     margin-right: auto; 
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				-    padding: .3rem; 
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				-    margin-bottom: .4rem; 
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				+    padding: .9rem; 
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				+    margin-bottom: 1.2rem; 
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				 } 
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				 .title { 
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				-    font-size: .36rem; 
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				     font-weight: bold; 
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				+    font-size: 20px; 
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				     color: #439fff; 
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				 } 
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				 .content { 
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				     width: 100%; 
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				-    margin-top: .2rem; 
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				+    margin-top: .6rem; 
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				     border-top: 1px solid #e6e6e6; 
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				 } 
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				 .course-name { 
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				-    font-size: .32rem; 
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				+    font-size: 1.1rem; 
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				     font-weight: bold; 
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				     color: #333; 
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				-    margin-top: .2rem; 
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				+    margin-top: .6rem; 
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				     overflow: hidden; 
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				     text-overflow: ellipsis; 
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				     display: -webkit-box; 
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				     -webkit-box-orient: vertical; 
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				     -webkit-line-clamp: 2; 
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				-    margin-bottom: -0.1rem; 
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				+    margin-bottom: -0.3rem; 
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				 } 
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				 .ul-info { 
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				-    font-size: .3rem; 
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				-    margin-top: .2rem; 
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				+    font-size: .9rem; 
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				+    margin-top: .6rem; 
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				     color: #333; 
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				 } 
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				 .info { 
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				-    margin-top: .05rem; 
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				+    margin-top: .15rem; 
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				 } 
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				 .info-2 { 
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				@@ -95,15 +96,15 @@ ul, ol { 
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				 } 
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				 .con { 
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				-    font-size: .26rem; 
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				+    font-size: .72rem; 
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				 } 
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				 .tips { 
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				     margin-left: auto; 
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				     margin-right: auto; 
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				-    font-size: .26rem; 
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				+    font-size: .72rem; 
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				     font-weight: bold; 
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				     color: white; 
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				     width: 80%; 
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				-    margin-bottom: .4rem; 
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				+    margin-bottom: 1.2rem; 
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				 } 
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