style.css

<style>
body {font-family: "Times New Roman", Georgia, Serif;}
h1, h2, h3, h4, h5, h6 {
  font-family: "Playfair Display";
  letter-spacing: 5px;
}

/* For Signup Page*/
{box-sizing: border-box}

/* Full-width input fields */
  input[type=text], input[type=password] {
  width: 100%;
  padding: 9px;
  margin: 3px 15px 10px 5px;
  display: inline-block;
  border: none;
  background: #f1f1f1;
}

input[type=text]:focus, input[type=password]:focus {
  background-color: #ddd;
  outline: none;
}

hr {
  border: 1px solid #f1f1f1;
  margin-bottom: 25px;
}

/* Set a style for all buttons */
button {
  background-color: #04AA6D;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  cursor: pointer;
  width: 100%;
  opacity: 0.9;
}
.btn1 {
  background-color: #f44336;
color: white;
padding: 2px 2px;
margin: 2px 0;
border: none;
cursor: pointer;
width: 50%;
opacity: 0.9;
  }
  .btn2 {
  background-color: #04AA6D;
color: white;
padding: 2px 2px;
margin: 2px 0;
border: none;
cursor: pointer;
width: 50%;
opacity: 0.9;
  }

button:hover {
  opacity:1;
}

/* Extra styles for the cancel button */
.cancelbtn {
  padding: 14px 20px;
  background-color: #f44336;
}

/* Float cancel and signup buttons and add an equal width */
.cancelbtn, .signupbtn {
  float: left;
  width: 50%;
}

/* Add padding to container elements */
.container {
  padding: 16px;
}

/* Clear floats */
.clearfix::after {
  content: "";
  clear: both;
  display: table;
}
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
</style>