style.css

@import url('https://fonts.googleapis.com/css2?family=Open+Sans&display=swap');

* {
  margin:0;
  padding: 0;
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  background: #FFFFFF;
  height: 100%;
  font-family: 'Open Sans', sans-serif;
  font-style: normal;
}

.container {
  margin-top: 100px;
  display: flex;
  justify-content: center;
  text-align: center;
}

.info {
  font-weight: bold;
  font-size: 18px;
  color: #222222;
  margin-top: 40px;
  margin-bottom: 50px;
}

.confirm {
  margin-top: 22px;
  margin-bottom: 50px;
  font-weight: 500;
  font-size: 14px;
  text-align: center;
  color: #F01F0E;
}
.btn-group {
    display: flex;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    width: 123px;
  height: 48px;
    font-size: 14px;
  text-decoration: none;
}

.btn-full {
    background: #DB3022;
  box-shadow: 0px 1px 8px rgba(0, 0, 0, 0.05);
  border-radius: 4px 0px 0px 4px;
  color: white;
}

.btn-shadow {
    border: 1px solid #9B9B9B;
  box-sizing: border-box;
  filter: drop-shadow(0px 1px 8px rgba(0, 0, 0, 0.05));
  border-radius: 0px 4px 4px 0px;
    color: gray;
}

.form-section {
  width: 400px;
  margin-top: 40px;
}
.form-main {
  display: flex;
  margin-top: 16px;
}

input[type="email"],
input[type="password"],
input[type="name"] {
  font-size: 14px;
  padding: 7px 0px 7px 15px;
  width: 100%;
  height: 48px;
  border: 1px solid #9B9B9B;
  box-sizing: border-box;
  filter: drop-shadow(0px 1px 8px rgba(0, 0, 0, 0.05));
  border-radius: 4px;
}

.forgot {
  display: inline-block;
  margin-top: 26px;
  text-align: right;
  width: 100%;
  font-size: 14px;
  color:#db3022;
  text-decoration: none;
}

.submit {
  margin-top: 26px;
  display: inline-block;
  padding: 15px 30px;
  width: 100%;
  font-size: 14px;
  color: #FFFFFF;
  background: #DB3022;
  border-radius: 25px;
  text-decoration: none;
}

.register {
  margin-top: 40px;
  font-size: 14px;
  color: #222222;
}

.register a {
  color:#db3022;
  text-decoration: none;
}

@media only screen and (max-width: 420px) {
  .form-section {
  width: 100%;
  }
}