add login button

src/components/button/loginButton/LoginButton.tsx

@@ -0,0 +1,14 @@
+import React from 'react'
+import { LoginButtonView } from './LoginButtonView'
+
+interface LoginButtonInterface {
+  title: string
+}
+
+export default function LoginButton({ title }: LoginButtonInterface) {
+  return (
+    <LoginButtonView>
+      {title}
+    </LoginButtonView>
+  )
+}

src/components/button/loginButton/LoginButtonView.ts

@@ -0,0 +1,19 @@
+import styled from 'styled-components'
+
+export const LoginButtonView = styled.button`
+  width: 80%;
+  height: 95px;
+
+  border-radius: 8px;
+  background: linear-gradient(88.75deg, #254F7F 0.18%, #888888 99.28);
+
+  font-family: 'Nunito Sans';
+  font-style: normal;
+  font-weight: 700;
+  font-size: 32px;
+  line-height: 44px;
+  text-align: center;
+  letter-spacing: 0.03em;
+
+  color: #FFFFFF;
+`