diff --git a/src/styles/Center.styles.js b/src/styles/Center.styles.js
new file mode 100644
index 0000000..51e1798
--- /dev/null
+++ b/src/styles/Center.styles.js
@@ -0,0 +1,8 @@
+import styled from 'styled-components';
+
+export const Center = styled.div`
+  flex:1;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+`;
diff --git a/src/styles/Common.styles.js b/src/styles/Common.styles.js
index 8f9bfd6..adc6e02 100644
--- a/src/styles/Common.styles.js
+++ b/src/styles/Common.styles.js
@@ -44,6 +44,7 @@ export const Input = styled.input`
 export const DynamicList = styled.div`
   display: flex;
   gap: 20px;
+  flex-wrap: wrap;
 
   @media screen and (max-width: 768px) {
     flex-direction: column;
diff --git a/src/styles/WriteSteps.styles.js b/src/styles/WriteSteps.styles.js
index 9e489e0..ce886ed 100644
--- a/src/styles/WriteSteps.styles.js
+++ b/src/styles/WriteSteps.styles.js
@@ -33,6 +33,8 @@ export const Select = styled.select`
   width: 100%;
   box-sizing: border-box;
   color: ${({ theme }) => theme.colors.gray900};
+  outline-color: ${({ theme }) => theme.colors.primary};
+  border-color: transparent;
   cursor: pointer;
 `;