/* Hide scrollbar for Chrome, Safari and Opera */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Hide scrollbar for IE, Edge and Firefox */
.no-scrollbar {
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.arrow-up {
  width: 0; 
  height: 0; 
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 12px solid white;
}

.button-footer{
  border-radius: 10px;
  border-top: 2px transparent solid;
  border-bottom: 2px transparent solid;
  color: #001b4d;
  background-color: #14b8a6;
  border-top-color: #5eead4;
  border-bottom-color: #0f766e;
  box-shadow: 0 0 0 5px #002043,0 0 0 4px #7c92b0;
}
.button-footer:hover{
  background-color: #06b6d4;
  border-top-color: #67e8f9;
  border-bottom-color: #0e7490;
}

div[data-not-inline] {
  overflow-x: auto;
}

.gutter {
  background-color: #0891b2;
  background-repeat: no-repeat;
  background-position: 50%;
}

.gutter.gutter-vertical {
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAFAQMAAABo7865AAAABlBMVEVHcEzMzMzyAv2sAAAAAXRSTlMAQObYZgAAABBJREFUeF5jOAMEEAIEEFwAn3kMwcB6I2AAAAAASUVORK5CYII=');
  cursor: row-resize;
}

#box-color::-webkit-scrollbar{
  display:none;
}

#quest-elem::-webkit-scrollbar{
  width: 6px;
}

#quest-elem::-webkit-scrollbar-track{
  background: transparent;
}

#quest-elem::-webkit-scrollbar-thumb{
  background-color: #155e75;
}

.scroll-modal::-webkit-scrollbar{
  width: 7px;
}

.scroll-modal::-webkit-scrollbar-track{
  background: transparent;
}

.scroll-modal::-webkit-scrollbar-thumb{
  background-color: #374151;
}
.box-qna {
  vertical-align: middle;
  cursor: pointer;
  display: inline-block;
  border-radius: 5px;
  width: 28px;
  height: 28px;
  background: #404040 url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjI0IiBoZWlnaHQ9IjI0Ij48cGF0aCBmaWxsPSJub25lIiBkPSJNMCAwaDI0djI0SDB6Ii8+PHBhdGggZD0iTTEyIDE4LjI2bC03LjA1MyAzLjk0OCAxLjU3NS03LjkyOEwuNTg3IDguNzkybDguMDI3LS45NTJMMTIgLjVsMy4zODYgNy4zNCA4LjAyNy45NTItNS45MzUgNS40ODggMS41NzUgNy45Mjh6IiBmaWxsPSJyZ2JhKDI0MSwxOTYsMTQsMSkiLz48L3N2Zz4=) no-repeat center;
}

.box-qna:hover {
  background-color: #b45309;
}

.box-qna.deactive{
  background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjI0IiBoZWlnaHQ9IjI0Ij48cGF0aCBmaWxsPSJub25lIiBkPSJNMCAwaDI0djI0SDB6Ii8+PHBhdGggZD0iTTEyIDE4LjI2bC03LjA1MyAzLjk0OCAxLjU3NS03LjkyOEwuNTg3IDguNzkybDguMDI3LS45NTJMMTIgLjVsMy4zODYgNy4zNCA4LjAyNy45NTItNS45MzUgNS40ODggMS41NzUgNy45Mjh6IiBmaWxsPSJyZ2JhKDExNSwxMTUsMTE1LDEpIi8+PC9zdmc+)
}

.box-qna.deactive:hover{
  background-color: #b91c1c;
  cursor:not-allowed;
}

.box-qna.eq {
  display: block;
}

@keyframes animate {
  0%{
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 0;
  }
  100%{
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
    border-radius: 50%;
  }
}

.anim-background {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  margin: 0;
  padding: 0;
  background: transparent;
}

.anim-background li {
  position: absolute;
  display: block;
  list-style: none;
  background: #fff;
  animation: animate 19s linear infinite;
}

.anim-background li:nth-child(1) {
  left: 0%;
  width: 100px;
  height: 100px;
  bottom: -100px;
  animation-delay: 3s;
}
.anim-background li:nth-child(2) {
  left: 10%;
  width: 150px;
  height: 150px;
  bottom: -150px;
  animation-delay: 8s;
}
.anim-background li:nth-child(3) {
  left: 25%;
  width: 50px;
  height: 50px;
  bottom: -50px;
  animation-delay: 13s;
}
.anim-background li:nth-child(4) {
  left: 30%;
  width: 70px;
  height: 70px;
  bottom: -70px;
  animation-delay: 6s;
}
.anim-background li:nth-child(5) {
  left: 37%;
  width: 130px;
  height: 130px;
  bottom: -130px;
  animation-delay: 2s;
}
.anim-background li:nth-child(6) {
  left: 50%;
  width: 90px;
  height: 90px;
  bottom: -90px;
  animation-delay: 12s;
}
.anim-background li:nth-child(7) {
  left: 59%;
  width: 30px;
  height: 30px;
  bottom: -30px;
  animation-delay: 6s;
}
.anim-background li:nth-child(8) {
  left: 62%;
  width: 160px;
  height: 160px;
  bottom: -160px;
  animation-delay: 8s;
}
.anim-background li:nth-child(9) {
  left: 78%;
  width: 60px;
  height: 60px;
  bottom: -60px;
  animation-delay: 2s;
}
.anim-background li:nth-child(10) {
  left: 84%;
  width: 110px;
  height: 110px;
  bottom: -110px;
  animation-delay: 6s;
}
.anim-background li:nth-child(11) {
  left: 95%;
  width: 50px;
  height: 50px;
  bottom: -50px;
  animation-delay: 14s;
}