remove overflow color on button

src/components/Footer/Footer.jsx

               value={email}
               type='email'
               onChange={(e) => { setEmail(e.target.value) }}
-              sx={{ p: 0, mb: 2 }}
+              sx={{ 
+                p: 0, 
+                mb: 2,
+                overflow:"hidden",
+                borderRadius:"4px",
+              }}
               InputProps={{
                 startAdornment: (
                   <InputAdornment position="end">

src/components/NewsLetter/NewsLetter.jsx

           color: "black"
         }}>
 
-          <Typography variant='h4' sx={{fontWeight:"500", fontSize:"1.8rem !important", pb:2}}>
+          <Typography variant='h5' sx={{fontWeight:"500", fontSize:"1.8rem !important", pb:2}}>
             Let's stay in touch
           </Typography>
           <Typography variant='body1' sx={{fontSize:{xs:"0.875rem", sm:"0.875rem", md:"1rem" }}}>