html {
    font-size: calc(60% + 0.8vmin);
  }
body {
    font-family: "IBM Plex Sans Thai Looped";
  }
h1 {
    font-family: "Prompt";
    color: #000000;
    text-align: center;
    font-size: 2.75rem;
    line-height: 1.3;
    margin: 0;
  }
h2 {
    font-family: "Prompt";
    color: #98262a;
    text-align: center;
    font-size: 2.25rem;
    line-height: 1.3;
    margin: 0;
  }
h3 {
    font-family: "Prompt";
    color: #98262a;
    text-align: center;
    font-size: 1.5rem;
    line-height: 1.3;
    margin: 0;
  }
p {
    color: #000000;
    text-align: center;
    font-size: 1.125rem;
    line-height: 1.7;
    margin: 1;
  }
img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 2.5%;
}

.responsive{
    max-width: 100%;
    height: auto;
  }
iframe {
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding-top: 5%;
  padding-bottom: 5%;
}
.video-container {
  position: relative;
  padding-bottom: 56.25%;
}
.responsive-iframe{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
#border1 {
    border: 2px solid #000000;
    padding: 10px;
    border-radius: 25px;
    margin-left: auto;
    margin-right: auto;
    max-width: 25rem;  
}
main{
    max-width: 45rem;
    margin: 0 auto;
  }



  div.gallery {
    border: 0px;
  }
  div.gallery img {
    width: 100%;
    height: auto;
    border-radius: 3%;
  }
  
  .responsive-gallery {
    padding: 6px 6px 6px;
    float: left;
    width: 24.99999%;
    box-sizing: border-box;
  }
  @media only screen and (max-width: 700px) {
    .responsive-gallery {
      width: 49.99999%;
      margin: 6px 0;
    }
  }
  @media only screen and (max-width: 50px) {
    .responsive-gallery {
      width: 100%;
    }
  }
  .clearfix:after {
    content: "";
    display: table;
    clear: both;
  }
  

.material-symbols-outlined {
  font-variation-settings:
  'FILL' 0,
  'wght' 800,
  'GRAD' 0,
  'opsz' 48
}


div.gallery2 {
  border: 0px;
}
div.gallery2 img {
  width: 100%;
  height: auto;
  border-radius: 3%;
}

.responsive-gallery2 {
  padding: 6px 6px 6px;
  float: left;
  width: 24.99999%;
  box-sizing: border-box;
}
@media only screen and (max-width: 1920px) {
  .responsive-gallery2 {
    width: 49.99999%;
    margin: 6px 0;
  }
}
@media only screen and (max-width: 500px) {
  .responsive-gallery2 {
    width: 100%;
  }
}