:root {
    --primary-color: #1b385b;
    --white-color: #ffffff;
    --white-almost: #f7f9fa;
    --light-background: #EDF0F2;
    --default-border-radius: 7px;
    --red: red;
}

html {
  font-size: 125%;
}

body {
  margin: 0;
  font-family: system-ui, Helvetica, Verdana, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--primary-color);
  background-color: var(--light-background);
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
}

hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--primary-color);
  height: 0;
}

.container {
  padding: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--white-almost);
}

.responsive-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--default-border-radius);
}

.danger {
  color: var(--red);
  font-weight: bold;
}