body {
  background: #2c3e50;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2c3e50;
  font-family: "Karla", sans-serif;
}

.box {
  width: 300px;
  box-shadow: 0px 10px 30px rgb(0 0 0 / 20%);
  display: block;
  margin: auto;
  border-radius: 20px;
  padding: 20px 30px 30px 30px;
  background: #ecf0f1;
  position: relative;
}

input {
  display: block;
  width: 100%;
  margin: auto;
  margin-top: 20px;
  font-size: 14px;
  color: #585858;
  box-sizing: border-box;
  outline: none;
  box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.2);
}

.button {
  border-radius: 100px;
  border: none;
  padding: 16px;
  font-weight: bold;
  background: #27AE60;
  text-transform: uppercase;
  cursor: pointer;
  color: #ecf0f1;
}

.field {
  border-radius: 100px;
  border: none;
  padding: 16px;
  background: #ecf0f1;
}

.hidden {
  visibility: hidden;
}

.show {
  visibility: visible;
}

.header {
  position: absolute;
  background: #27AE60;
  width: 100%;
  height: 60px;
  padding: 20px 0;
  left: 0;
  top: 0;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  color: #ecf0f1;
  text-align: center;
  font-size: 3em;
  overflow: hidden;
}

.header p {
  margin: 0;
  position: absolute;
  top: 20%;
  left: 28%;
  font-size: 40px;
}

.box .form {
  padding-top: 90px;
}

.error {
  color: #ecf0f1;
  background: #C0392B;
  font-size: 18px;
  text-align: center;
  padding: 10px;
  margin-top: 20px;
  border-radius: 100px;
  display: none;
}