SurveyForm.css

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

/* utility classes */

  .l-heading {
   font-size: 3rem;
  }

  .m-heading {
    font-size: 2rem;
  }

body {
  font-family: 'Fira Sans Extra Condensed';
}

.box {
  padding-top: 3rem;
  height: 100%;
  background: #333 url('./images/benjamin-suter-gKiZquK8CEs-unsplash.jpg')  
  no-repeat center center /cover;
}

.box h1,p {
text-align: center;
color: #fff;
}

.container {
background: #3b5998;
border-radius: 13px;
padding-top: 1.5rem;
height: 80%;
width: 65%;
margin: auto;
color: #fff;
margin-top: 3rem;
opacity: .9;
}

form {
  margin-top: 2rem;
}

form .name,
form .insert,
form select,
form textarea,
button {
  display: block;
}

form label {
  font-size: 1.4rem;
  margin-left: 15%;
  font-weight: 900;
}

form .insert,
form textarea,
button {
width: 70%;
height: 45px;
margin: auto;
border-style: none;
border-radius: 5px;
margin-bottom: 1.4rem;
}

button {
  background: palegreen;
  border-radius: 0;
}

button:hover {
  background: lightgreen;
  cursor: pointer;
}

form textarea {
  height: 100px;
  border-radius: 0;
}

form .rbtn {
  display: block;
}

.checkBtn {
  width: 20px;
  height: 20px;
  margin-right: 1rem;
}