chore: license说明

packages/ui/certd-client/src/style/common.less

@@ -14,9 +14,6 @@ html, body {
   box-sizing: border-box;
 }
 
-body{
-  min-width: 1000px;
-}
 div#app {
   height: 100%
 }
@@ -48,6 +45,11 @@ h1, h2, h3, h4, h5, h6 {
   vertical-align: 0 !important;
 }
 
+.flex-center{
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
 .flex-o{
   display: flex !important;
   align-items: center;