body {

    background-color: #f7fcfd;
  
    background-size: 100% 100%;
  
    background-repeat: no-repeat;
  
    background-attachment: fixed;
  
    font-family: "Kanit", sans-serif;
  
    color: rgb(0, 0, 0);
  
  }
  .circular_image {
    border-radius: 50%;
    overflow: hidden;
    /* commented for demo
    float: left;
    margin-left: 125px;
    margin-top: 20px;
    */
    
    /*for demo*/
    display:inline-block;
    vertical-align:middle;
  }
  .circular_image img{
    width:100%;
  }
  /*page-overlay*/
#page-overlay {
  opacity: 0;
  top: 0px;
  left: 0px;
  position: fixed;
  background-color: rgba(249, 249, 249, 0.8);
  height: 100%;
  width: 100%;
  z-index: 9998;
  -webkit-transition: opacity 0.2s linear;
  -moz-transition: opacity 0.2s linear;
  transition: opacity 0.2s linear;
}

#page-overlay.visible {
  opacity: 1;
  display: none;
}

#page-overlay.visible.active,
#page-overlay.visible.active img {
  display: block;
}

#page-overlay.hidden {
  opacity: 0;
  height: 0px;
  width: 0px;
  z-index: -10000;
}

#page-overlay .loader-wrapper-outer {
  background-color: transparent;
  z-index: 9999;
  margin: auto;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: table;
  text-align: center;
  vertical-align: middle;
}

#page-overlay .loader-wrapper-inner {
  display: table-cell;
  vertical-align: middle;
}

#page-overlay .loader {
  margin: auto;
}

@keyframes lds-double-ring {
  0% {
      -webkit-transform: rotate(0);
      transform: rotate(0);
  }

  100% {
      -webkit-transform: rotate(360deg);
      transform: rotate(360deg);
  }
}

@-webkit-keyframes lds-double-ring {
  0% {
      -webkit-transform: rotate(0);
      transform: rotate(0);
  }

  100% {
      -webkit-transform: rotate(360deg);
      transform: rotate(360deg);
  }
}

@keyframes lds-double-ring_reverse {
  0% {
      -webkit-transform: rotate(0);
      transform: rotate(0);
  }

  100% {
      -webkit-transform: rotate(-360deg);
      transform: rotate(-360deg);
  }
}

@-webkit-keyframes lds-double-ring_reverse {
  0% {
      -webkit-transform: rotate(0);
      transform: rotate(0);
  }

  100% {
      -webkit-transform: rotate(-360deg);
      transform: rotate(-360deg);
  }
}

#page-overlay .lds-double-ring {
  position: relative;
}

#page-overlay .lds-double-ring div {
  box-sizing: border-box;
}

#page-overlay .lds-double-ring>div {
  position: absolute;
  width: 44px;
  height: 44px;
  top: 78px;
  left: 78px;
  border-radius: 50%;
  border: 4px solid #000;
  border-color: #2196f3 transparent #2196f3 transparent;
  -webkit-animation: lds-double-ring 1s linear infinite;
  animation: lds-double-ring 1s linear infinite;
}

#page-overlay .lds-double-ring>div:nth-child(2),
#page-overlay .lds-double-ring>div:nth-child(4) {
  width: 32px;
  height: 32px;
  top: 84px;
  left: 84px;
  -webkit-animation: lds-double-ring_reverse 1s linear infinite;
  animation: lds-double-ring_reverse 1s linear infinite;
}

#page-overlay .lds-double-ring>div:nth-child(2) {
  border-color: transparent #2196f3 transparent #2196f3;
}

#page-overlay .lds-double-ring>div:nth-child(3) {
  border-color: transparent;
}

#page-overlay .lds-double-ring>div:nth-child(3) div {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

#page-overlay .lds-double-ring>div:nth-child(3) div:before,
#page-overlay .lds-double-ring>div:nth-child(3) div:after {
  content: "";
  display: block;
  position: absolute;
  width: 4px;
  height: 4px;
  top: -4px;
  left: 16px;
  background: #2196f3;
  border-radius: 50%;
  box-shadow: 0 40px 0 0 #2196f3;
}

#page-overlay .lds-double-ring>div:nth-child(3) div:after {
  left: -4px;
  top: 16px;
  box-shadow: 40px 0 0 0 #2196f3;
}

#page-overlay .lds-double-ring>div:nth-child(4) {
  border-color: transparent;
}

#page-overlay .lds-double-ring>div:nth-child(4) div {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

#page-overlay .lds-double-ring>div:nth-child(4) div:before,
#page-overlay .lds-double-ring>div:nth-child(4) div:after {
  content: "";
  display: block;
  position: absolute;
  width: 4px;
  height: 4px;
  top: -4px;
  left: 10px;
  background: #2196f3;
  border-radius: 50%;
  box-shadow: 0 28px 0 0 #2196f3;
}

#page-overlay .lds-double-ring>div:nth-child(4) div:after {
  left: -4px;
  top: 10px;
  box-shadow: 28px 0 0 0 #2196f3;
}

#page-overlay .lds-double-ring {
  width: 200px !important;
  height: 200px !important;
  display: inline-block;
  -webkit-transform: translate(-100px, -100px) scale(1) translate(100px, 100px);
  transform: translate(-100px, -100px) scale(1) translate(100px, 100px);
}
iframe {
  margin:auto;
  display:block;
}