Missing border on buttons and inputs, and a missing underline on a link.

Describe the bug

To Reproduce

<div class="container">
    <div class="form_area">
        <p class="title">SIGN UP</p>
        <form action="">
            <div class="form_group">
                <label class="sub_title" for="name">Name</label>
                <input placeholder="Enter your full name" class="form_style" type="text">
            </div>
            <div class="form_group">
                <label class="sub_title" for="email">Email</label>
                <input placeholder="Enter your email" id="email" class="form_style" type="email">
            </div>
            <div class="form_group">
                <label class="sub_title" for="password">Password</label>
                <input placeholder="Enter your password" id="password" class="form_style" type="password">
            </div>
            <div>
                <button class="btn">SIGN UP</button>
                <p>Have an Account? <a class="link" href="">Login Here!</a></p><a class="link" href="">
            </a></div><a class="link" href="">

    </a></form></div><a class="link" href="">
</a></div>

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.form_area {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: #EDDCD9;
  height: auto;
  width: auto;
  border: 2px solid #264143;
  border-radius: 20px;
  box-shadow: 3px 4px 0px 1px #E99F4C;
}

.title {
  color: #264143;
  font-weight: 900;
  font-size: 1.5em;
  margin-top: 20px;
}

.sub_title {
  font-weight: 600;
  margin: 5px 0;
}

.form_group {
  display: flex;
  flex-direction: column;
  align-items: baseline;
  margin: 10px;
}

.form_style {
  outline: none;
  border: 2px solid #264143;
  box-shadow: 3px 4px 0px 1px #E99F4C;
  width: 290px;
  padding: 12px 10px;
  border-radius: 4px;
  font-size: 15px;
}

.form_style:focus, .btn:focus {
  transform: translateY(4px);
  box-shadow: 1px 2px 0px 0px #E99F4C;
}

.btn {
  padding: 15px;
  margin: 25px 0px;
  width: 290px;
  font-size: 15px;
  background: #DE5499;
  border-radius: 10px;
  font-weight: 800;
  box-shadow: 3px 3px 0px 0px #E99F4C;
}

.btn:hover {
  opacity: .9;
}

.link {
  font-weight: 800;
  color: #264143;
  padding: 5px;
}

divriots / code.to.design

Missing border on buttons and inputs, and a missing underline on a link. #9