* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 62.5%;
}
body {
  font-family: "Roboto", sans-serif;
  font-size: 1.6rem;
}
.gray {
  background-color: #f7f7f7;
}
.bord {
  border-radius: 10px;
}
.bord-left {
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}
.bord-right {
  border-top-right-radius: 10px;
  border-top-left-radius: 10px;
}
.hero-shadow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
}
.top-hero {
  position: relative;
  height: 300px;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 0;
}
.top-hero-news {
  background-position: 25%, 0;
}

.top-hero-text {
  font-size: 5rem;
  text-transform: uppercase;
  z-index: 1;
}
.activities-text {
  font-size: 3.5rem;
}
.news-hero {
  background-image: url(../img/newspaper-973048_640.jpg);
}
.activities-hero {
  background-image: url(../img/school-2051712_640.jpg);
}
.statut-hero {
  background-image: url(../img/business-988180_640.jpg);
}
.contact-hero {
  background-image: url(../img/contact-4045623_640.jpg);
}
.navbar-brand {
  font-weight: 700;
  font-size: 1.8rem;
}
.blue {
  color: blue;
}
.navbar-toggler {
  font-size: 2.5rem;
}
.nav-link {
  text-transform: uppercase;
}

header {
  font-size: 2rem;
}
.carousel-item {
  position: relative;
  height: 400px;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.carousel-item p {
  z-index: 1;
}
.carousel-img-one {
  background-image: url(../img/book-1052014_640.jpg);
}
.carousel-img-two {
  background-image: url(../img/people-2557399_640.jpg);
}
.carousel-img-three {
  background-image: url(../img/technoid-2877987_640.jpg);
}
.statute .statute-frame {
  background-color: #f7f7f7;
  border-radius: 10px;
}
.frame-card {
  border-radius: 10px;
}
iframe {
  width: 100%;
  min-height: 400px;
}

.aboutus-img {
  height: 18rem;
  object-position: center;
  object-fit: cover;
}
.decorate {
  width: 20rem;
  height: 0.5rem;
  background-color: blue;
  border-radius: 20px;
}
.aboutus-shadow,
.activities-shadow {
  box-shadow: inset 0 5px 10px -5px rgba(0, 0, 0, 0.4);
}
@media (min-width: 992px) {
  .bord-left {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
    border-top-right-radius: 0px;
  }
  .bord-right {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    border-top-left-radius: 0px;
  }
}
@media (min-width: 1200px) {
  .top-hero-text {
    letter-spacing: 2rem;
    font-weight: bold;
  }
  .activities-text {
    font-size: 5rem;
  }
  .top-hero-news {
    background-position: 0% 20%;
  }
  .top-hero {
    height: 400px;
  }
  .img-activitis {
    object-fit: cover;
  }
}
@media (min-width: 1400px) {
  .carousel-item {
    height: 500px;
  }
  .carousel-img-one {
    background-image: url(../img/book-1052014_1920.jpg);
  }
  .carousel-img-two {
    background-image: url(../img/people-2557399_1920.jpg);
  }
  .carousel-img-three {
    background-image: url(../img/technoid-2877987_1920.jpg);
  }
  .news-hero {
    background-image: url(../img/newspaper-973048_1920.jpg);
  }
  .activities-hero {
    background-image: url(../img/school-2051712_1920.jpg);
  }
  .statut-hero {
    background-image: url(../img/business-988180_1920.jpg);
  }
  .contact-hero {
    background-image: url(../img/contact-4045623_1920.jpg);
  }
}