/*
selector {
  property: value; 
  }
*/

@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Preahvihear&display=swap');

body{
    background-color: #e8e2d3;
}

.jumbotron{
    width: 25%;
    height: 150px;
    margin: left;
    opacity: 0.5;
    background-image: url(https://upload.wikimedia.org/wikipedia/commons/d/dd/AAA_SVG_Chessboard_and_chess_pieces_06.svg); 
    background-size: contain;
    background-repeat: no-repeat;
    object-fit: contain;
    position: absolute;
}

.intro_01{
    width: 100%;
    height: 100%;
    color: #946007;
    margin: auto;
}

ul li{
    list-style-type: none;
    display: inline;
}

li a {
    display: inline;
    margin-left: 160px;
    text-align: center;
    text-decoration: none;
    background-color: black;
    color: white;
    width: 100%;
    letter-spacing: 15px;
}

#intro_02{
    font-family: "Barlow", serif;
    font-size: 20px;
    text-align: left;
    letter-spacing: 2px;
}

.image_01{
    width: 50%;
    
}

.row{
    height: 50%;
    width: 50%;
    resize: both;
}

.text_group{
    margin-top: 20px;
    font-size: 20px;
     padding: 15px;
    text-align: center;
}

.clearfix {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-direction: 'row', vertical;
  box-sizing: border-box;
  float: inherit;
}

.img-container{
    margin: 10px;
    width: 500px;
    height: 250px;
    object-fit: contain;

}

.clearfix2 {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-direction: 'row', vertical;
  box-sizing: border-box;
  float: inherit;
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
  width: 180px;
}

.img_container2{
    margin: 10px;
    width: 100%;
    height: auto;
}

.clearfix3 {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-direction: 'row', vertical;
  box-sizing: border-box;
  float: inherit;
}

.img_container3{
    margin: 10px;
    width: 200px;
    height: 100px;
}

.img_container4{
    margin: 10px;
    width: 30%;
    height: auto;
    margin: auto;
}