:root {
  --background-th: #ffe599;
  --background-td: #d9d9d9;
}


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

html, body {
  font-family: 'Roboto', sans-serif;
}

body {
  width: 65vw;
  margin: 0 auto;
  padding: 1rem 5rem;
  text-align: justify;

}

h1 {
  text-align: center;
}

h2 {
  margin-top: 2rem;
  display: inline;
}

h4 {
  margin-top: 1rem;
}

p {
  display: inline;
}

small {
  display: block;
  font-style: italic;
  margin: 2rem 0;
}

article {
  border: 2px solid #000;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--background-th);
}

article h4 {
  text-align: center;
  margin-bottom: 1rem;
}

ol li {
  margin: 1rem 0;
}

ol {
  counter-reset: item;
  list-style-type: none;
}

ol>li { 
  counter-increment: item;
}

ol>li::before { 
  content: counters(item, '.') '.'; 
  font-weight: bold;
}

li ul {
  margin-left: 2rem;
}

table thead {
  background: var(--background-th);
}

th, td {
  padding: 0.5rem 1rem;
  
}

th {
  text-align: center;
}

td {
  text-align: left;
}

@media screen and (max-width: 768px) {
  body {
    width: 80vw;
  }
}

@media screen and (max-width: 425px) {
  body {
    width: 100vw;
    padding: 1rem 2rem;
  }
}

.text-center {
  text-align: center;
}

.td-bg {
  background: var(--background-td);
}