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

body {
  display: flex;
  padding-top: 85px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

h1 {
  width: fit-content;
  position: relative;
  margin-bottom: 20px;
}

h1::after {
  content: "";
  width: 70%;
  height: 3px;
  position: absolute;
  bottom: -5px;
  left: 1px;
  border-top-right-radius: 3px;
  background: #fffaaa;
}

.form {
  width: 350px;
  padding: 10px;
  display: flex;
  align-items: center;
}

form {
  width: 100%;
}

.register-img-div {
  position: relative;
  height: 400px;
}
.overlay {
  position: absolute;
  top: 0;
  background: rgba(0, 0, 0, 0.6);
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
  padding: 10px;
}
.register-img {
  width: 300px;
  object-fit: cover;
  height: 100%;
}

.go-signin {
  font-size: 12px;
  text-decoration: underline;
  margin-top: 5px;
}

.form-label {
  font-size: 12px;
  margin-bottom: 5px;
}

.form-data {
  padding: 0 10px;
  margin-top: 10px;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.form-input {
  width: 100%;
  border: 1px solid black;
  border-radius: 5px;
  padding: 10px;
}

.form-input:focus:valid {
  outline-color: green;
}

.form-input:focus:not(:valid) {
  outline-color: red;
}

.form-input:not(:focus):placeholder-shown {
  outline-color: red;
}

.register {
  display: flex;
  max-width: 700px;
  min-height: 400px;
  box-shadow: 1px 1px 8px 2px rgba(0, 0, 0, 0.4);
}

.button {
  margin-top: 10px;
  height: 40px;
  width: fit-content;
  background-color: white;
  border: 1px solid black;
  border-radius: 2px;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  font-size: 14px;
  justify-content: center;
}

.button:hover {
  cursor: pointer;
  color: white;
  background: black;
  border: 1px solid white;
}

.reg-links {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin-top: 10px;
  padding: 10px;
}

@media (max-width: 700px) {
  .register {
    flex-direction: column;
  }
  .register-img-div {
    height: 120px;
  }
}