body {
  margin: 0;
  padding: 0;
}

.wrapper-container {
  width: 100%;
  position: relative;
  overflow: hidden;
  padding: 0;
  margin: 0;
}

/*
/*
/*
/*header - nav*/

header {
  background-color: #ffbf69;
  margin: 0;
  padding: 0;
}

nav {
  width: 100%;
  height: 100%;
  font-weight: bold;
  font-size: 2vw;
}

.navbar-brand {
  margin-left: 5vw;
  font-size: 2vw;
  text-align: left;
}

.navbar-collapse {
  padding-right: 5vw;
}

.navbar-toggler {
  margin-right: 5vw;
}

.navbar-nav {
  margin: 0 0 0 auto;
}

.nav-link {
  margin-left: 5vw;
  color: black;
  text-align: left;
  padding: 0;
}

#content {
  margin: 0;
  padding: 0;
}

/*
/*
/*
/*first section */
.background-section-start {
  position: relative;
  overflow: hidden;
  background-color: #ffbf69;
  width: 100vw;
  margin-top: 0;
  padding-right: 5vw;
}

.background-section-start::before {
  content: "";
  display: block;
  padding-top: 56.25%;
  background-image: url("img/background.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.background-section-hover::before {
  width: 100vw;
  content: "";
  display: block;
  padding-top: 56.25%;
  background-color: #fc2e20;
  background-image: url("img/background2.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.content-start {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  color: #fff;
  padding: 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

h1 {
  font-size: 10vw;
  font-weight: bold;
  text-align: left;
}

h2 {
  font-size: 3vw;
  text-align: left;
  padding-left: 0;
}

.popIt-btn {
  width: 24vw;
  height: 6vw;
  background-color: #cbf3f0;
  border: none;
  font-weight: bold;
}

/*
/*
/*
/*second section */

.whatIsPop {
  font-size: 3vw;
  font-weight: bold;
  text-align: center;
  padding-top: 7vw;
}

.popIs {
  font-size: 2vw;
  text-align: center;
  padding: 2vw 15vw 6vw 15vw;
}

.image-row {
  background-color: #cbf3f0;
  text-align: center;
  width: 100%;
  margin: 0;
  padding: 5vw;
}

.img-inside {
  margin: auto;
  padding: auto;
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.img-inside img {
  width: 100%;
  height: auto;
}

figcaption {
  text-align: center;
  margin: 2vh;
  font-weight: bold;
  font-size: 2vw;
}

.choose-btn {
  width: 12vw;
  height: 3vw;
  background-color: #ffbf69;
  border: none;
  margin: auto;
  font-weight: bold;
}

/*
/*
/*
/*third section */

.choose-pop-it {
  font-size: 3vw;
  font-weight: bold;
  padding-bottom: 3vh;
}

/*
/*
/*
/*fouth section */

.game-instructions {
  font-size: 3vw;
  font-weight: bold;
  text-align: left;
}

.play-instructions {
  width: 50vw;
  font-size: 2vw;
  text-align: left;
}

.background-section-end {
  position: relative;
  overflow: hidden;
  width: 100vw;
}

.background-section-end::before {
  content: "";
  display: block;
  padding-top: 36.25%; /* Wysokość / Szerokość * 100% (tło uzupełnione w background-section) */
  background-image: url("img/bg-grid.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.content-end {
  position: absolute;
  top: 0;
  left: 0;
  padding: 0 5vw;
  margin-top: 7vw;
  display: flex; /* Dodajemy flexbox */
  flex-direction: column; /* Ustawiamy kierunek flexbox na kolumnowy */
  justify-content: center; /* Wyśrodkowanie wzdłuż osi Y */
  align-items: flex-start; /* Wyśrodkowanie wzdłuż osi X (lewa strona) */
}

.image-on-image {
  position: relative;
  margin: auto;
  width: 50%;
  height: auto;
}

.first-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 75%;
  height: auto;
}

/*
/*
/*
/*footer-nav*/

.footer {
  width: 100%;
  background-color: #333;
  padding: 3vh 0;
}

.footer-nav {
  padding: 0 0 0 5vw;
  margin: 0;
  justify-content: space-between;
  display: flex;
}

.footer-brand {
  margin: 0;
  /* padding-left: 5vw; */
  font-size: 2vw;
  list-style-type: none;
  text-decoration: none;
}

.footer-item {
  font-size: 2vw;
  display: inline-block;
  padding-right: 5vw;
}

.footer-link {
  text-decoration: none;
  color: #fff;
}

.footer-brand b {
  color: #fff;
}