html,
body {
  background-color: #f9f6ee;
  margin: 5px 0px 5px 2px;
  padding: 5px 0px 5px 2px;
  overflow: hidden;
}

:root {
  --primary-color: rgb(20, 35, 67);
  --secondary-color: rgb(90, 150, 220);
  --tertiary-color: white;
  --quaternary-color: gray;
  --senary-color: rgb(40, 65, 100);
}

section {
  display: flex;
  flex-flow: column;
  height: calc(100vh - 20px);
}

.tab-content {
  flex: 1;
  overflow-y: scroll;
}

tr {
  cursor: default;
}

.myBtn {
  width: 70px;
}

#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  overflow: hidden;
  background: #fff;
  }
  #preloader:before {
  content: "";
  position: fixed;
  top: calc(50% - 30px);
  left: calc(50% - 30px);
  border: 6px solid #f2f2f2;
  border-top: 6px solid #1e3e6e;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  -webkit-animation: animate-preloader 1s linear infinite;
animation: animate-preloader 1s linear infinite;
}

@-webkit-keyframes animate-preloader {
  0% {
  -webkit-transform: rotate(0deg);
  transform: rotate(0deg);
  }
  100% {
  -webkit-transform: rotate(360deg);
  transform: rotate(360deg);
  }
  }
  @keyframes animate-preloader {
  0% {
  -webkit-transform: rotate(0deg);
  transform: rotate(0deg);
  }
  100% {
  -webkit-transform: rotate(360deg);
  transform: rotate(360deg);
  }
  }