添加btn-circle样式

resources/sass/layout.scss

@@ -135,3 +135,17 @@ table,table.table-striped tbody{
     background-color: rgba(0, 0, 0, .05)
 }
 
+.btn-circle {
+    width: 45px;
+    height: 45px;
+    text-align: center;
+    align-content: center;
+    padding: 1px 0;
+    font-size: 12px;
+    line-height: 1.428571429;
+    border-radius: 22.5px;
+    :hover{
+        color: #fffff8;
+        text-decoration: none;
+    }
+}