adjust css margins

src/styles/App.css

@@ -15,6 +15,7 @@ body {
 .vehicles-container {
   display: flex;
   flex-direction: column;
+  align-items: center;
   width: 100%;
   padding: 0px 30px;
   margin: 5px 20px;
@@ -23,6 +24,9 @@ body {
 .vehiclesRow {
   display: flex;
   flex-direction: row;
+  align-items: center;
+  justify-content: center;
+  margin: auto;
   width: 100%;
 }
 
@@ -51,6 +55,7 @@ body {
 .vehBox {
   padding: 5px 5px 8px 8px;
   border: 1px solid #5d86a8;
+  background-color: #fff;
   border-radius: 6px;
   max-width: 535px;
   flex: 1 0 auto;
@@ -64,6 +69,12 @@ body {
   letter-spacing: 0.08rem;
 }
 
+.formHeader2 {
+  letter-spacing: 0.08rem;
+  margin-top: 10px;
+  margin-bottom: 10px;
+}
+
 .text-input {
   width: 100%;
   height: 24px;
@@ -153,6 +164,11 @@ body {
 
 .fetchBox {
   margin-bottom: 25px;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  margin: auto;
 }
 
 @media only screen and (max-width: 460px) {