body {
  width: 100%;
  margin: 0;
  padding: 0;
}
h2 {
  padding: 0;
  margin: 0;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  background: url(/img/bg.jpg) 50% 50% no-repeat;
  background-size: cover;
}

.container .wrapper {
  width: 60%;
  max-width: 600px;
  background: #fff;
  padding: 30px;
  border-radius: 18px;
}

.container .wrapper h2 {
  margin-bottom: 20px;
  text-align: center;
}

.container .wrapper input,
.container .wrapper textarea {
  width: 100%;
  padding: 10px 12px;
  margin: 0 0 6px;
  box-sizing: border-box;
  border: none;
  border-bottom: 1px solid #dcdcdc;
  outline: none;
}
.container .wrapper textarea {
  resize: none;
  height: 120px;
}

.container .wrapper input:focus {
  border-color: #1c59ff;
}

.button {
  width: 100%;
  padding: 10px 15px;
  margin-top: 15px;
  font-size: 20px;

  display: inline-block;
  vertical-align: middle;
  border: 1px solid transparent;
  border-radius: 50px;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  color: #fff;
  font-weight: 500;

  -webkit-transition: background-color 0.25s ease-out, color 0.25s ease-out;
  transition: background-color 0.25s ease-out, color 0.25s ease-out;
  border: 0;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.25);
  background: #46dc9e;
  background-image: linear-gradient(to right, #1de4d0, #ab67de, #46dc9e, #17c5ff);
  background-size: 300% 100%;
  -moz-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -webkit-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
}

.button:hover {
  background-position: 100% 0;
  -moz-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -webkit-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
}