.header {
  background-color: #f1f1f1;
  padding: 0px;
  text-align: center;
    /*text-align: left;*/
  /*position: fixed;*/
  top: 0;
  width: 100%;
}

* {
  box-sizing: border-box;
}

body {
  background-color: #ffffff; /*=ขาว*/ /*#b3ccff;=ฟ้า*/ /*#f1f1f1;=เทา*/
  /*padding: 20px;*/
  padding: auto;
  margin: auto;
  font-family: Arial;
}

/* Center website */
.main {
  max-width: 1200px;
  margin: auto;
}

h1 {
  /*font-size: 50px;*/
  font-size: 30px;
  word-break: break-all;
  color:#BD8F05;
  font-family: "Athiti", sans-serif;
  text-align: center;
  font-weight: bold;
  text-shadow: 3px 3px 3px #ababab;
}

h2 {
  font-size: 35px;
  color:#BD8F05;
  /*font-family: "IBM Plex Sans Thai Looped", sans-serif;*/
  font-family: "Athiti", sans-serif;
  text-align: center;
  font-weight: bold;
}

h3 {
  font-size: 20px;
  color:#333399;
  /*font-family: "IBM Plex Sans Thai Looped", sans-serif;*/
  font-family: "Athiti", sans-serif;
  text-align: left;
  font-weight: bold;
}

.row {
  margin: 10px -16px;
  
   
  /*display: -ms-flexbox;*/ /* IE10 */
  /*display: flex;
  -ms-flex-wrap: wrap;*/ /* IE10 */
  /*flex-wrap: wrap;
  padding: 0 4px;*/
}

/* Add padding BETWEEN each column */
.row,
.row > .column {
  padding: 8px;
}

/* Create three equal columns that floats next to each other */
.column {
  float: left;
  /*width: 33.33%;*/
  width: 100%;  
  display: none; /* Hide all elements by default */
}

/* Clear floats after rows */ 
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Content */
.content {
  background-color: white;
  /*padding: 10px;*/
    padding: 50px;
    
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

/* The "show" class is added to the filtered elements */
.show {
  display: block;
}

/*image*/
.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

/* Add a gray background color and some padding to the footer */
footer {
  background-color: #737373;
  padding: 10px;
  text-align: center;
  color: #ffffff;

  width: 100%;
  
}
.form-inline{
  display:block;

}

footer a{
  color:#99ccff;
  text-decoration:none;}