* {
  margin: 0;
  padding: 0;
}

html {
  filter: grayscale(70%);
}

body {
  font-family: 'Prompt', sans-serif;
}

a {
  text-decoration: none;
  color: #383737;
}

a:hover{
  color: darkorange;
}

.tooltip {
  font-family: 'Prompt', sans-serif;
  font-weight: 300;
  line-height: 1.4;
  font-size: 0.8rem;
}
.bs-tooltip-top .tooltip-arrow::before, .bs-tooltip-auto[data-popper-placement^=top] .tooltip-arrow::before {
  border-top-color: rgb(31, 5, 108);
}
.bs-tooltip-end .tooltip-arrow::before, .bs-tooltip-auto[data-popper-placement^=right] .tooltip-arrow::before {
  border-right-color: rgb(31, 5, 108);
}
.bs-tooltip-bottom .tooltip-arrow::before, .bs-tooltip-auto[data-popper-placement^=bottom] .tooltip-arrow::before {
  border-bottom-color: rgb(31, 5, 108);
}
.bs-tooltip-start .tooltip-arrow::before, .bs-tooltip-auto[data-popper-placement^=left] .tooltip-arrow::before {
  border-left-color: rgb(31, 5, 108);
}
.tooltip-inner {
  color: #ffffff;
  background-color: rgb(31, 5, 108);
  /*min-width:200px;*/
}

/* width */
::-webkit-scrollbar {
width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
box-shadow: inset 0 0 5px grey; 
border-radius: 5px;
}

/* Handle */
::-webkit-scrollbar-thumb {
background: darkgreen; 
border-radius: 5px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
background: darkred; 
cursor: pointer;
}

@media screen and (min-width: 992px) {
  .navbar {
    padding: 0;
  }
  .navbar .navbar-nav .nav-link {
    padding: 1em 0;
  }
  .navbar .navbar-nav .nav-item {
    margin: 0 1em;
  }
}

.navbar .navbar-nav .nav-item {
  position: relative;
}
.navbar .navbar-nav .nav-item::after {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  content: "";
  background-color:#FFCC00;
  width: 0%;
  height: 3px;
  transition: all 0.6s;
}
.navbar .navbar-nav .nav-item:hover::after {
  width: 100%;
}

.preview{
  width: 100px;
  height: 100px;
  border: 1px solid black;
  margin: 0 auto;
  background: #FFCC00;
}

.preview img{
    display: none;
}

/* footer */
.site-footer {
  background-color: #1f2937;
  color: #ffffff;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  max-width: 100%;
  margin: auto;
  padding: 40px 20px;
  gap: 30px;
}

.footer-section {
  flex: 1 1 250px;
}

.footer-section h4 {
  margin-bottom: 20px;
  font-size: 19px;
  color: #f9fafb;
}

.footer-section p,
.footer-section li {
  font-size: 14px;
  line-height: 1.6;
  color: #d1d5db;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-section a {
  color: #d1d5db;
  text-decoration: none;
}

.footer-section a:hover {
  text-decoration: none;
  color: #f25a0e;
}

.footer-bottom {
  background-color: #111827;
  text-align: center;
  padding: 5px;
  font-size: 13px;
  color: #9ca3af;
}

/* ซ่อนเมื่อหน้าจอเล็ก */
@media (max-width: 768px) {
  #hidensms {
    display: none;
  }
}