diff --git a/css/details.css b/css/details.css
index 3c8bbc5..0381032 100644
--- a/css/details.css
+++ b/css/details.css
@@ -349,7 +349,7 @@
   position: relative;
 }
 .content .side .item.pitch {
-  width: calc(100% + 1px);
+  width: 100%;
   background-color: #fbfbfb;
   border-top: 1px solid #ebebeb;
   border-bottom: 1px solid #ebebeb;
@@ -383,7 +383,7 @@
   height: 100%;
   position: absolute;
   top: 0;
-  right: 0;
+  right: -2px;
   display: block;
 }
 .content .side .item .item-text {
diff --git a/css/details.less b/css/details.less
index 34cf30e..a523954 100644
--- a/css/details.less
+++ b/css/details.less
@@ -405,7 +405,7 @@
                     border-radius: 12px 0 0 0;
                     overflow: hidden;
                 }
-                width: calc(100% + 1px);
+                width: 100%;
                 background-color: rgba(251, 251, 251, 1);
                 border-top: 1px solid rgba(235, 235, 235, 1);
                 border-bottom: 1px solid rgba(235, 235, 235, 1);
@@ -434,7 +434,7 @@
                     height: 100%;
                     position: absolute;
                     top: 0;
-                    right: 0;
+                    right: -2px;
                     display: block;
                 }
             }