styles.css

@import url('https://fonts.googleapis.com/css?family=Montserrat&display=swap');

*,
html,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

body {
  background: #282828;
  font-family: 'Montserrat', sans-serif;
  color: white;
}

.container {
  width:100%;
  margin: 0 auto;
  padding: 25px;
}

header {
  width: 100%;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 16px;
  font-family: 'Montserrat Semibold', sans-serif;
  margin-bottom: 5px;
}

.form-group input,
.form-group select {
  background: #1A1A1A;
  width: 100%;
  height: 45px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-family: 'Montserrat', sans-serif;
  color: white;
  font-size: 14px;
  padding: 0 15px;
  outline: none;
  transition: border-color 0.2s ease-in;
}

.form-group input:focus,
.form-group select:focus {
  border-color: #FF7373;
}

.form-group button {
  background-image: linear-gradient(-90deg, #FF7373 0%, #FDDB33 100%);
  border-radius: 5px;
  border: 0;
  height: 45px;
  color: #fff;
  font-size: 16px;
  font-family: 'Montserrat Bold', sans-serif;
  font-weight: bold;
  letter-spacing: 1.11px;
  text-transform: uppercase;
  cursor: pointer;
}

.form-group button:hover {
  text-shadow: 1px 1px 5px black;
  outline: 0;
}

.form-group:last-child {
  margin-top: 40px;
}

.result-container {
  margin-top: 50px;
}

.result-content {
  margin-top: 10px;
  background: #1A1A1A;
  border-radius: 5px;
  padding: 15px;
}

.result-content ul {
  list-style: none;
}

.result-content ul li {
  font-size: 14px;
  font-weight: bold;
  font-family: 'Montserrat Bold', sans-serif;
  line-height: 30px;
}

.result-content ul li strong {
  color: #FF7373;
}