simplauncher/docs/main.css

:root{
  --max-width: 1280px;
}
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Ubuntu', sans-serif;
}

.site-header{
  display: flex;
  padding: 5px 50px;
  margin: 30px auto;
  max-width: var(--max-width);
}

.site-header__title{
  margin: 0;
  padding: 10px;
}

.site-header__logo{
  height: 50px;
  width: 50px;
  display: block;
  flex-shrink: 0;
}
.header-nav{
  flex-grow: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-trigger{
  display: none;
}

.menu-icon{
  display: none;
}

.header-nav__elem{
  color: #000000;
  display: inline-block;
  margin: 15px;
  text-transform: capitalize;
  cursor: pointer;
  text-decoration: none;
}

.header-nav__elem:hover{
  text-decoration: underline;
}
main {
  margin: auto;
}

main section > * {
  max-width: var(--max-width);
}

.wrapper {
  padding: 80px 100px;
  margin: auto;
}

.banner .wrapper {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr 1fr 300px;
  grid-template-rows: max-content;
}

.banner h1 {
  grid-column: 1 / 3;
  margin: 100px 0 0;
  font-weight: lighter;
  font-size: xx-large;
  text-align: center;
  padding: 20px;
}

.banner h2 {
  grid-column: 1 / 3;
  font-weight: lighter;
  font-size: large;
  text-align: center;
  padding: 20px;
}

.banner img {
  width: 100%;
  height: auto;
  display: block;
}

.banner .screenshot {
  box-shadow: 0 12px 30px 8px #363636;
  grid-column: 3 / 4;
  grid-row: 1 / 3;
}

.banner .badge {
  padding: 20px;
  max-width: 260px;
  margin: 20px auto auto;
}

.banner .g-play {
  margin-left: auto;
  margin-right: 0;
}

.banner .f-droid {
  margin-left: 0;
}

footer{
  text-align: center;
}

@media screen and (max-width: 768px) {
  .banner .wrapper {
    grid-template-columns: 1fr 250px;
  }

  .banner h1 {
    margin: 0;
    grid-column: 1 /2;
  }

  .banner a {
    grid-column: 1 / 3;
    grid-row: 2 /3;
  }

  .banner .screenshot {
    grid-column: 2 / 3;
    grid-row: 1 / 4;
  }

  .banner a:nth-child(3), .banner a:nth-child(4){
    grid-column: 1 / 2;
  }

  .banner a:nth-child(4){
    grid-row: 3 / 4;
  }

  .banner .g-play, .banner .f-droid {
    margin: 0 auto;
    padding: 0;
    width: 180px;
  }
}

@media screen and (max-width: 450px) {

  .site-header{
    padding: 5px;
    margin: 0;
  }

  label[for=nav-trigger]{
    display: block;
    width: 40px;
    margin: 5px;
    height: 38px;
    z-index: 2;
    cursor: pointer;
  }

  .header-nav{
    position: absolute;
    /*border: 1px solid black;*/
    border-radius: 5px;
    box-shadow: 0 0 5px 1px #cccccc;
    background-color: white;
  }

  .header-nav{
    position: absolute;
    right: 5px;
    display: flex;
    flex-wrap: wrap;
    max-width: 130px;
  }

  .menu-icon{
    right: 0;
    display: block;
  }

  .menu-icon__elem{
    display: block;
    height: 3px;
    width: 20px;
    border-radius: 4px;
    margin: 7px 10px;
    background-color: black;
  }
  input ~ .trigger{
    display: none;
  }

  input:checked ~ .trigger{
    display: block;
    flex-basis: 100%;
    padding: 5px;
  }

  .header-nav__elem{
    text-align: right;
    margin: 0;
    padding: 10px 5px;
    display: block;
  }
  .wrapper {
    padding: 0;
  }

  .banner .wrapper {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 0;
  }

  .banner h1 {
    text-align: center;
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    font-size: x-large;
  }

  .banner .screenshot {
    width: 230px;
    margin: auto;
    display: block;
    grid-column: 1 / 2;
  }

  .banner .screenshot {
    margin: 50px auto;
    grid-row: 1 / 2;
  }

  .banner a:nth-child(3){
    grid-row: 3 / 4;
  }

  .banner a:nth-child(4){
    grid-row: 4 / 5;
  }
}

@media screen and (max-width: 375px) {
  .banner h1 {
    font-size: larger;
  }
}