@import url('https://rsms.me/inter/inter.css');
 @import url('https://cdn.jsdelivr.net/npm/normalize-css@2.3.1/normalize.css');

 html {
     font-family: 'Inter', sans-serif;
     box-sizing: border-box;
 }

 *,
 *:before,
 *:after {
     box-sizing: inherit;
 }

 header {
     border-bottom: 1px solid #e0e0e0;
 }

 header * {
     margin: 0;
 }

 h1,
 h2,
 h3,
 h4,
 b {
     font-weight: 600;
 }

 .container {
     width: 100%;
     max-width: 900px;
     margin: 0 auto;
     padding: 1.5rem;
 }

 .container h2 {
     margin-bottom: 2rem;
 }

 input {
     appearance: none;
     -webkit-appearance: none;
     outline: 0;
     box-shadow: none;
     background-color: #fff;
     border: 1px solid #dadada;
     border-radius: 5px;
     padding: 0.7em 1.2em;
     width: 100%;
 }

 input:hover,
 input:focus {
     border-color: #444;
 }

 input[type="button"] {
     width: auto;
     background: #000;
     border-color: #000;
     color: #fff;
     margin: 1.5rem 0;
     transition: all 0.3s ease;
 }

 input[type="button"]:hover,
 input[type="button"]:focus {
     background: #fff;
     color: #000;
 }