* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Roboto", sans-serif;
  
}

header.masthead {
    position: relative;
    background-color: #000;
    background: url(https://picsum.photos/1920) no-repeat center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    padding-top: 8rem;
    padding-bottom: 8rem
}

header.masthead .overlay {
    position: absolute;
    background-color: #281F19;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    opacity: .3
}

header.masthead h1 {
    font-size: 2rem
}

header {
  display: flex;
  flex-direction: column;
  min-height: 30vh;
  justify-content: center;
  align-items: center;
}
header h2 {
  padding: 1rem;
}




#logo {
  text-decoration: none;
  color: rgb(12, 12, 12);
}
.search-form {
  
  padding: 1rem;
  display: flex;
}
.search-form input {
  font-size: 2rem;
  padding: 0.5rem;
  width: 100%;
  border: none;
  border: 2px solid rgb(29, 156, 221);
}
.search-form button {
  border: none;
  padding: 0.5rem;
  font-size: 1.5rem;
  background: rgb(29, 156, 221);
  color: white;
  cursor: pointer;
}

.titre_cat {
  font-size: 2rem;
  color: #1D9CDD;
  
}


.gallery-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1D9CDD;
  padding: 0.5rem 0rem;
}
.gallery-info a {
  color: #1D9CDD;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  padding: 2rem 0rem;
  width: 80%;
  margin: auto;
  row-gap: 5rem;
  column-gap: 3rem;
}

.gallery-img img {
  width: 100%;
  height: 75%;
   border: 2px solid rgb(29, 156, 221);
  object-fit: cover;
}

.nav-button {
  min-height: 30vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
.titre {
  padding: 1rem 3rem;
  background: rgb(29, 156, 221);
  color: white;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  text-transform: uppercase;
}

.telecharger {
  padding: 0.5rem 0.5rem;
  background: rgb(29, 156, 221);
  color: white;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  text-transform: uppercase;
}

.more {
  padding: 1rem 3rem;
  background: rgb(29, 156, 221);
  color: white;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  text-transform: uppercase;
}