diff --git a/report/assets/templates.html b/report/assets/templates.html
index 396eeb33a535..99a46b6480e0 100644
--- a/report/assets/templates.html
+++ b/report/assets/templates.html
@@ -202,6 +202,8 @@
       position: absolute;
       grid-column: 1;
       bottom: -1px;
+      left: 0px;
+      right: 0px;
     }
 
     .lh-gauge__wrapper:first-of-type {
diff --git a/report/renderer/components.js b/report/renderer/components.js
index da47a97287e2..08de64229556 100644
--- a/report/renderer/components.js
+++ b/report/renderer/components.js
@@ -444,7 +444,7 @@ function createScorescaleComponent(dom) {
 function createScoresWrapperComponent(dom) {
   const el0 = dom.createFragment();
   const el1 = dom.createElement("style");
-  el1.append("\n    .lh-scores-container {\n      display: flex;\n      flex-direction: column;\n      padding: var(--default-padding) 0;\n      position: relative;\n      width: 100%;\n    }\n\n    .lh-sticky-header {\n      --gauge-circle-size: var(--gauge-circle-size-sm);\n      --plugin-badge-size: 16px;\n      --plugin-icon-size: 75%;\n      --gauge-wrapper-width: 60px;\n      --gauge-percentage-font-size: 13px;\n      position: fixed;\n      left: 0;\n      right: 0;\n      top: var(--topbar-height);\n      font-weight: 500;\n      display: none;\n      justify-content: center;\n      background-color: var(--sticky-header-background-color);\n      border-bottom: 1px solid var(--color-gray-200);\n      padding-top: var(--score-container-padding);\n      padding-bottom: 4px;\n      z-index: 1;\n      pointer-events: none;\n    }\n\n    .lh-devtools .lh-sticky-header {\n      /* The report within DevTools is placed in a container with overflow, which changes the placement of this header unless we change `position` to `sticky.` */\n      position: sticky;\n    }\n\n    .lh-sticky-header--visible {\n      display: grid;\n      grid-auto-flow: column;\n      pointer-events: auto;\n    }\n\n    /* Disable the gauge arc animation for the sticky header, so toggling display: none\n       does not play the animation. */\n    .lh-sticky-header .lh-gauge-arc {\n      animation: none;\n    }\n\n    .lh-sticky-header .lh-gauge__label,\n    .lh-sticky-header .lh-fraction__label {\n      display: none;\n    }\n\n    .lh-highlighter {\n      width: var(--gauge-wrapper-width);\n      height: 1px;\n      background-color: var(--highlighter-background-color);\n      /* Position at bottom of first gauge in sticky header. */\n      position: absolute;\n      grid-column: 1;\n      bottom: -1px;\n    }\n\n    .lh-gauge__wrapper:first-of-type {\n      contain: none;\n    }\n  ");
+  el1.append("\n    .lh-scores-container {\n      display: flex;\n      flex-direction: column;\n      padding: var(--default-padding) 0;\n      position: relative;\n      width: 100%;\n    }\n\n    .lh-sticky-header {\n      --gauge-circle-size: var(--gauge-circle-size-sm);\n      --plugin-badge-size: 16px;\n      --plugin-icon-size: 75%;\n      --gauge-wrapper-width: 60px;\n      --gauge-percentage-font-size: 13px;\n      position: fixed;\n      left: 0;\n      right: 0;\n      top: var(--topbar-height);\n      font-weight: 500;\n      display: none;\n      justify-content: center;\n      background-color: var(--sticky-header-background-color);\n      border-bottom: 1px solid var(--color-gray-200);\n      padding-top: var(--score-container-padding);\n      padding-bottom: 4px;\n      z-index: 1;\n      pointer-events: none;\n    }\n\n    .lh-devtools .lh-sticky-header {\n      /* The report within DevTools is placed in a container with overflow, which changes the placement of this header unless we change `position` to `sticky.` */\n      position: sticky;\n    }\n\n    .lh-sticky-header--visible {\n      display: grid;\n      grid-auto-flow: column;\n      pointer-events: auto;\n    }\n\n    /* Disable the gauge arc animation for the sticky header, so toggling display: none\n       does not play the animation. */\n    .lh-sticky-header .lh-gauge-arc {\n      animation: none;\n    }\n\n    .lh-sticky-header .lh-gauge__label,\n    .lh-sticky-header .lh-fraction__label {\n      display: none;\n    }\n\n    .lh-highlighter {\n      width: var(--gauge-wrapper-width);\n      height: 1px;\n      background-color: var(--highlighter-background-color);\n      /* Position at bottom of first gauge in sticky header. */\n      position: absolute;\n      grid-column: 1;\n      bottom: -1px;\n      left: 0px;\n      right: 0px;\n    }\n\n    .lh-gauge__wrapper:first-of-type {\n      contain: none;\n    }\n  ");
   el0.append(el1);
   const el2 = dom.createElement("div", "lh-scores-wrapper");
   const el3 = dom.createElement("div", "lh-scores-container");