body {
  font-family: 'Noto Sans TC', sans-serif !important;
  background-color: #DFDBE5;
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}
.container {
  background-color: rgba(255, 255, 255, 0.8);
  max-width: 1080px;
}

.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } 
.embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 80%; height: 80%; }

@media only screen and (min-width:800px)
{
  .embed-responsive-item {min-height: 450px;}
  .nega-ma {margin-top: -80px;}
}

@media only screen and (max-width: 600px){
  .embed-container iframe { width: 100%; height: 100%;};
  body{
    background-image: none;
  }
}

#card3{
  background-color: rgb(233, 245, 228);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'  opacity='0.3' viewBox='0 0 32 32'%3E%3Cg fill-rule='evenodd'%3E%3Cg id='Artboard-5' fill='%239C92AC' fill-opacity='0.4' fill-rule='nonzero'%3E%3Cpath d='M6 18h12V6H6v12zM4 4h16v16H4V4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.w-75{
  opacity: 0.1; 
}