body  {
    background-color: #fdfaf7;
}


footer {
    padding: 1em;
    color: #f2f2f2;
    font-family: "Klinic Slab Book", klinic, serif;
    background-color: #d93742;
    clear: left;
    text-align: center;
    overflow: hidden;
    width: 100%;
}

h1 {
    color: #fdfaf7;
    font-family: "Klinic Slab Bold", klinic, serif;
    font-size: 200%;
    text-align: center; 
}

h2 {
    color: #d93742;
    font-family: "Klinic Slab Bold", klinic, serif;
    font-size: 200%;
    text-align: center; 
}

h3 {
    color: #d93742;
    font-family: "Klinic Slab Bold", klinic, serif;
    font-size: 150%;
    text-align: left; 
}


p  {
    color: #5e1211;
    font-family: "Klinic Slab Book", klinic, serif;
    font-size: 130%;
    text-align: justify; max-width: 1000px; 
}

p2  {
    color: #5e1211;
    font-family: "Klinic Slab Book", klinic, serif;
    font-size: 100%;
    text-align: justify; max-width: 1000px; 
}



body {margin:0%;}

.navbar {
  overflow: hidden;
  background-color: #d93742;
  position: fixed;
  top: 0;
  width: 100%;
}

.navbar a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 15px 15px;
  text-decoration: none;
  font-size: 22px;
  font-family: "Klinic Slab Bold", klinic, serif;

}

.navbar a:hover {
  background-color: #1ab03b;
  color: black; 
  font-family: "Klinic Slab Bold", klinic, serif;
  text-decoration: underline;
}

.active {
  background-color: #4CAF50;
  color: white;
}
  

.main {
  margin-top: 20px;
  height: 10px; 
}



<style>
* {
  box-sizing: border-box;
}

body {
  background-color: #fdfaf7;
}

#regForm {
  background-color: #ffffff;
  margin: 100px auto;
  font-family: "Klinic Slab Book", klinic, serif;
  padding: 40px;
  width: 70%;
  min-width: 300px;
  border: 2px solid #d93742;
 
}

input {
  padding: 10px;
  width: 100%;
  font-size: 17px;
  font-family: "Klinic Slab Book", klinic, serif;
  border: 1px solid #aaaaaa;
}

input.invalid {
  background-color: #ffdddd;
}

.tab {
  display: none;
}

button {
  background-color: #4CAF50;
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  font-size: 17px;
  font-family: "Klinic Slab Book", klinic, serif;
  cursor: pointer;
}

button:hover {
  opacity: 0.8;
}

#prevBtn {
  background-color: #bbbbbb;
}

.step {
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbbbbb;
  border: none;  
  border-radius: 50%;
  display: inline-block;
  opacity: 0.5;
}

.step.active {
  opacity: 1;
}

.step.finish {
  background-color: #4CAF50;
}

table, th, td {
    border: 0px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}


.column {
    float: left;
    padding: 10px;
    height: 800px; 
}

.left {
  width: 50%;
}

.right {
  width: 50%;
}


.row:after {
    content: "";
    display: table;
    clear: both;
}

#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 5px;
}

#myBtn:hover {
  background-color: green;
}