@font-face {
  font-family:"DM Sans";
  font-style:  normal;
  font-weight: 400;
  src : url('../skin/fonts/DMSans-Regular.ttf?KIWIXCACHEID');
}
@font-face {
  font-family:"DM Sans Bold";
  font-style:  normal;
  font-weight: 700;
  src : url('../skin/fonts/DMSans-Regular.ttf?KIWIXCACHEID');
}

body {
  background: linear-gradient(to bottom right, #ffffff, #e6e6e6);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

header {
  width: 100%;
  margin: auto;
  text-align: center;

  margin-top: 15%;
  margin-bottom: 15%;
}

header img {
  width: 60%;
  min-width: 200px;
  max-width: 500px;
  max-height: 300px;
}

section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

header, .intro {
  font-family: "DM Sans";
}

.intro {
  font-size: 1em;
  padding: 0 10%;
  line-height: 1.2em;
  text-align: center;
}

.intro h1 {
  line-height: 1.1em;
  font-family: "DM Sans Bold";
  font-size: 1.2em;
}

.intro code {
  font-family: monospace;
  font-size: 1.1em;
  word-break: break-all;
}

.advice {
  width: 80%;
  margin: auto;
  margin-bottom: 15%;
  margin-top: 5em;

  background-color: #ffffff;
  border-radius: 1rem;
  border: 1px solid #b7b7b7;

  padding: 2em;

  font-family: "DM Sans";
  font-size: .9em;
  box-sizing: border-box;

  align-items: normal;
}

.advice p {
  margin-bottom: 1em;
}

.advice p:first-child {
  margin-top: 0;
}

.advice p.list-intro {
  margin: 0;
}

.advice ul {
  list-style-type: square;
  margin: 0;
  padding: 0 1em;
}

.advice ul li {
  line-height: 2em;
}

.advice p:last-child {
  margin-bottom: 0;
}


/* sm: 640px+ */
@media (width >= 40rem) {
  header {
    margin-bottom: 1em;
    margin-top: 5em;
  }

  header img {
    width: 50%;
  }

  .intro h1 {
    font-size: 2em;
  }

  .advice {
    width: 50%;
  }
}

/* xl: 1280px+ */
@media (width >= 80rem) {
  .intro h1 {
    font-size: 3.4em;
  }
}

/* 2xl: 1536px+ */
@media (width >= 96rem) {
  header img {
    width: 25%;
    min-width: 200px;
    max-width: 500px;
    max-height: 300px;
  }

  .advice {
    width: 25%;
    min-width: 200px;
    min-width: 300px;
    max-width: 500px;
  }
}