@charset "utf-8";
/* css for index.html */

body{
 margin: 0 auto;

}
.header {
  width: 100%;
  height: 150px;
}

section h1 {
    margin: 2em;
    font-size: 20px;
    width: 40%;
    text-align: center

}
.header div {
    height: 150px;
}

.nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  vertical-align:text-bottom;
  padding-right: 25px;
  padding-left: 25px;
  max-width: 1280px;
  height: 90px;
  text-decoration: none;
}
nav img {
   margin-top: 2rem;
 
}
.photo{
margin-top: 3rem;;
}

.slick_a {
    position: relative;
    width: 100%;
    height: 320px;
    overflow: hidden;
  }
   
  @keyframes slideshow{
    0%{
      opacity: 0;
    }
    10%{
      opacity: 1;
    }
    28%{
      opacity: 1
    }
    38%{
      opacity: 0;
    }
    100%{
      opacity: 0;
    }
  }
   
  .slick_a img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: auto;
    opacity: 0;
    animation :slideshow 24s linear infinite;
  }
   
  .slick_a img:nth-child(2){
    animation-delay: 8s;
  }
   
  .slick_a img:last-child{
    animation-delay: 16s;
  }