diff --git a/src/pydata_sphinx_theme/assets/styles/index.scss b/src/pydata_sphinx_theme/assets/styles/index.scss
index 08d5ae8f6a..5a7b23cdae 100644
--- a/src/pydata_sphinx_theme/assets/styles/index.scss
+++ b/src/pydata_sphinx_theme/assets/styles/index.scss
@@ -118,8 +118,10 @@ footer {
 
   input {
     background-color: var(--pst-color-search-background);
-    border-radius: 0.2rem;
-    border: 1px solid var(--pst-color-search-border);
+    border-style: none none solid none;
+    border-color: var(--pst-color-search-border);
+    border-width: 1px;
+    border-radius: 0px;
     padding-left: 35px;
     color: var(--pst-color-text-base);