html {
  scroll-behavior: smooth;
  background: url(image/Plain-Blak-Gray.png) no-repeat center center fixed;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

body {
  margin: 0;
  background: url(image/Plain-Blak-Gray.png) no-repeat center center fixed;
      font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

h1 {
  font-family: Arial;
  color: goldenrod;
  text-align: center;
}
.tile {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 100%;
    margin-right: 10px;
    font-size: 20px;
    cursor: pointer;
    transition: 450ms all;
    -webkit-transform-origin: center left;
            transform-origin: center left;
  }
  .item{

      height:100%;
  }
.wrapper {
  display: grid;
  grid-template-columns: repeat(3,100%);
  overflow:auto;
  scroll-behavior: smooth;
  width: 99%;
  height: 100%;

}
section{
height: 10%;


}
 .wrapper section {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, auto);
    margin: 20px 0;
 }
 .wrapper section  .item {
      padding: 0 2px;
      transition: 250ms all;
 }
      .wrapper section  .item:hover { 
        margin: 0 40px;
        transform: scale(1.2);
      }
      .tile__video{
        width: 100%;
        height: 100%;
        -o-object-fit: cover;
           object-fit: cover;
      }
      .tile__media{
        width: 100%;
        height: 100%;
        -o-object-fit: cover;
           object-fit: cover;
      }
    
    
      .wrapper section   a {
      position: absolute;
      color: #fff;
      text-decoration: none;
      font-size: 6em;
      background:rgb(0,0,0);
      width: 80px;
      padding: 20px;
      text-align: center;
      z-index: 1;
      }
      .wrapper section a:nth-of-type(1) {
          color:goldenrod;
        top:0; bottom:0; left:0;
        background: linear-gradient(-90deg, rgba(0,0,0,0) 0%, black 100%);
      }
      .wrapper section a:nth-of-type(2) {
          color:goldenrod;
        top:0; bottom:0; right: 0;
        background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 100%);
      }
  
    @media only screen and (max-width: 600px) {
  a.arrow__btn {
    display:none;
  }
}
@media only screen and (min-width: 600px) {
    .wrapper {
        overflow:hidden;

    }
  }
  .tile__video[poster]{
    object-fit: cover;
    width: 100%;
    height: 100%;

    }

    .tile__img {
        width: 100%;
        height: 100%;
        -o-object-fit: cover;
           object-fit: cover;
      }

      .tile__details {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        top: 0;
        font-size: 10px;
        opacity: 0;
        background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
        transition: 450ms opacity;
      }
      .tile__details:after,
      .tile__details:before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        display: #000;
      }
      .tile__details:after {
        margin-top: -25px;
        margin-left: -25px;
        width: 50px;
        height: 50px;
        border: 3px solid #ecf0f1;
        line-height: 50px;
        text-align: center;
        border-radius: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 1;
      }
      .tile__details:before {
        content: '▶';
        left: 0;
        color: goldenrod;
        width: 100%;
        font-size: 30px;
        margin-left: 7px;
        margin-top: -18px;
        text-align: center;
        z-index: 2;
      }
      .tile:hover .tile__details {
        opacity: 1;
      }

      
ul {
    list-style-type: none;
    margin: 0;
    overflow: hidden;
    background-color: black;
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    position: absolute
    }
    .tg{
      float: left;
      color: goldenrod;
      font-size: 17px;
      font-weight: 100;
      text-align: center;
      display: inline-block;
      vertical-align: middle;

    }
  
  li {
    float: right;
    list-style-type: none;
  }
  li a, .speechBtn, .checkUpBtn, .aboutBtn {
    display: inline-block;
    color: goldenrod;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }

  li .dropdown:hover .speechBtn .checkUpBtn .aboutBtn {
    background-color:rgba(0,0,0,0.5);
  }
  li tg:hover {
    background-color:rgba(0,0,0,0);
  }
  li.dropdown {
    display: inline-block;
    position: absolute;

  }
  .speech-content {
    display: none;
    background: rgba(0, 0, 0, 0.5);
    min-width: 50px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);
    

  }
  .speech-content a {
    color: goldenrod;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;

  }
  .checkUp-content {
    display: none;
    background: rgba(0, 0, 0, 0.5);
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);

  }
  .checkUp-content a {
    color: goldenrod;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;

  }
  .about-content {
    display: none;
    background: rgba(0, 0, 0, 0.5);
    min-width: 75px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.5);

  }
  .about-content a {
    color: goldenrod;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;

  }
  .speech-content a:hover {background-color: #f1f1f1;}

.speech:hover .speech-content {
  color: goldenrod;

  display: block;}
  .checkUp-content a:hover {background-color: #f1f1f1;}

.checkUp:hover .checkUp-content {
  display: block;}
  
  .about-content a:hover {background-color: #f1f1f1;}

  .about:hover .about-content {
    display: block;}
  /* width */
  ::-webkit-scrollbar {
    width: 20px;
  }
  
  /* Track */
  ::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px #4b4b4c;
    background: white;
  }
  
  /* Handle */
  ::-webkit-scrollbar-thumb {
    background: #4b4b4c;
  }