html {
  max-width: 70ch;
  padding: 1em 1em;
  margin: auto;
  line-height: 1.75;
  font-size: 1.25em;
  font-family: Tahoma, sans-serif;
}

h1,h2,h3,h4,h5,h6 {
  margin: 1em 0 1em;
  font-weight: 600;
}

p,ul,ol {
  margin-bottom: 2em;
  color: #1d1d1d;
  font-family: sans-serif;
}

button, input[type="submit"] {
    font-size: 1.25em;
}

input {
    font-size: 1em;
}

form div {
    margin-bottom: 1.5em;
}

label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 600;
}


nav {
    wdith: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 2em;
}

nav a {
    font-size: 1.25em;
    text-decoration: none;
}

.progress-bar {
    width: 100%;
    background-color: #f3f3f3;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 2em;
}

.progress-bar .progress {
    height: 20px;
    -webkit-appearance: none;
    appearance: none;
    background-color: #4caf50;
}