.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
}

.fade {
  opacity: 0;
  -webkit-transition: opacity .15s linear;
       -o-transition: opacity .15s linear;
          transition: opacity .15s linear;
}
.fade.in {
  opacity: 1;
}
.collapse {
  display: none;
}
.collapse.in {
  display: block;
}
tr.collapse.in {
  display: table-row;
}
tbody.collapse.in {
  display: table-row-group;
}
.collapsing {
  position: relative;
  height: 0;
  overflow: hidden;
  -webkit-transition-timing-function: ease;
       -o-transition-timing-function: ease;
          transition-timing-function: ease;
  -webkit-transition-duration: .35s;
       -o-transition-duration: .35s;
          transition-duration: .35s;
  -webkit-transition-property: height, visibility;
       -o-transition-property: height, visibility;
          transition-property: height, visibility;
}

.d-none {
  display: none !important;
}

.d-inline {
  display: inline !important;
}

.d-inline-block {
  display: inline-block !important;
}

.d-block {
  display: block !important;
}

.d-table {
  display: table !important;
}

.d-table-row {
  display: table-row !important;
}

.d-table-cell {
  display: table-cell !important;
}

.d-flex {
  display: -ms-flexbox !important;
  display: flex !important;
}
.align-items-end {
    align-items: flex-end;
}
.align-items-center {
    align-items: center;
}
.d-inline-flex {
  display: -ms-inline-flexbox !important;
  display: inline-flex !important;
}

.w-100 {
  width: 100% !important;
}

.w-auto {
  width: auto !important;
}
.h-100 {
  height: 100% !important;
}

.h-auto {
  height: auto !important;
}

.hidden,
.hidden-xs-up {
  display: none !important;
}

@media (max-width: 543px) {
  .hidden-xs-down {
    display: none !important;
  }
}

@media (min-width: 544px) {
  .hidden-sm-up {
    display: none !important;
  }
}

@media (max-width: 767px) {
  .hidden-sm-down {
    display: none !important;
  }
}

@media (min-width: 768px) {
  .hidden-md-up {
    display: none !important;
  }
}

@media (max-width: 991px) {
  .hidden-md-down {
    display: none !important;
  }
}

@media (min-width: 992px) {
  .hidden-lg-up {
    display: none !important;
  }
}

@media (max-width: 1199px) {
  .hidden-lg-down {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .hidden-xl-up {
    display: none !important;
  }
}

.hidden-xl-down {
  display: none !important;
}