.block {
  position: absolute;
  left: 0;
  top: 0;
}
.container-fluid{
  position: fixed;
  top: 50%;
  left: 50%;
  margin-left: -175px;
  margin-top: -135px;
}
.sliderContainer {
  position: relative;
  text-align: center;
  line-height: 50px;
  background: #f7f9fa;
  color: #45494c;
  border-radius: 2px;
  font-size: 16px;
  margin-top: 20px;
}

.sliderbg {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  background-color: #f7f9fa;
  height: 50px;
  border-radius: 2px;
  border: 1px solid #e6e8eb;
}

.sliderContainer_active .slider {
  top: -1px;
  border: 1px solid #1991FA;
}

.sliderContainer_active .sliderMask {
  border-width: 1px 0 1px 1px;
}

.sliderContainer_success .slider {
  top: -1px;
  border: 1px solid #52CCBA;
  background-color: #52CCBA !important;
}

.sliderContainer_success .sliderMask {
  border: 1px solid #52CCBA;
  border-width: 1px 0 1px 1px;
  background-color: #D2F4EF;
}

.sliderContainer_success .sliderIcon:before {
  content: "\f00c";
}

.sliderContainer_fail .slider {
  top: -1px;
  border: 1px solid #f57a7a;
  background-color: #f57a7a !important;
}

.sliderContainer_fail .sliderMask {
  border: 1px solid #f57a7a;
  background-color: #fce1e1;
  border-width: 1px 0 1px 1px;
}

/*.sliderContainer_fail .sliderIcon:before {
  content: "\f00d";
}*/

.sliderContainer_active .sliderText, .sliderContainer_success .sliderText, .sliderContainer_fail .sliderText {
  display: none;
}

.sliderMask {
  position: absolute;
  left: 0;
  top: 0;
  height: 50px;
  border: 0 solid #1991FA;
  background: #D1E9FE;
  border-radius: 2px;
}

.slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  height: 50px;
  background: #fff;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: background .2s linear;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider:hover {
  background: #1991FA;
}

.slider:hover .sliderIcon {
  background-position: 0 -13px;
}

.sliderText {
  position: relative;
}

.sliderIcon {
}

.refreshIcon {
  position: absolute;
  right: 0;
  top: 0;
  cursor: pointer;
  margin: 6px;
  color: #fff!important;
  font-size: 20px;
  z-index: 5;
  transition: color .3s linear;
}

.refreshIcon:hover {
  color: #6c757d;
}

.slidercaptcha {
  margin: 0 auto;
  width: 350px;
  height: 270px;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.125);
  background: #fff;
}
.slidercaptcha .card-body {
  padding: 20px;
}
.slidercaptcha canvas:first-child {
  border-radius: 4px;
  border: 1px solid #e6e8eb;
}
.slidercaptcha.card .card-header {
  background-image: none;
  background-color: rgba(0, 0, 0, 0.03);
}