.mr-auto, .mx-auto {
    margin-right: auto !important;
}

.form-inline .form-control {
    display: inline-block;
    width: auto;
    vertical-align: middle;
}

h1 {
    text-align: center;
}

#navbarCollapse.show #navDomain {
    margin: 1em 0;
}

main > .container {
  padding: 4em 1.5em 8em 1.5em;
}

.footer {
  border-top: 0.25em solid #bbb;
  background-color: #f5f5f5;
}

.footer > .container {
  padding-right: 15px;
  padding-left: 15px;
  text-align: center;
}

code {
  font-size: 80%;
}

.updated_at {
  text-align: center;
  font-size: 1.15em;
  margin: 1.8em 0;
}

.bd-placeholder-img {
  font-size: 1.125rem;
  text-anchor: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

pre {
  border-left: 0.5em solid #c8c8c8;
  padding-left: 2em;
}

@media (min-width: 768px) {
  .bd-placeholder-img-lg {
    font-size: 3.5rem;
  }
}

.validDiv {
  text-align: center;
}

a:focus {
  text-decoration: none;
  background-color: #fd0;
  color: black !important;
  box-shadow: 0 -2px #fd0,0 4px #0b0c0c;
}

a,
a:link,
a:visited,
a:hover,
a:active,
a:focus {
  color: black;
}
a:hover {
  text-decoration: none;
}

.btn-dark,
.btn-dark:link,
.btn-dark:visited,
.btn-dark:hover,
.btn-dark:active,
.btn-dark:focus {
  color: #fff;
}
.btn-dark:hover {
  text-decoration: underline;
}

.back:link,
.back:visited,
.back:hover,
.back:active,
.back:focus {
    color: #0b0c0c;
}

.back {
  margin: 1em 0;
  display: inline-block;
  position: relative;
  padding-left: 14px;
}

.back[href] {
  text-decoration: underline;
}

.back::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3px;
  width: 7px;
  height: 7px;
  margin: auto 0;
  -webkit-transform: rotate(225deg);
  -ms-transform: rotate(225deg);
  transform: rotate(225deg);
  border: solid;
  border-width: 2px 2px 0 0;
  border-color: #505a5f;
}

.btn-cgrp .btn {
  cursor: inherit;
}

.btn-cgrp {
  width: 100%;
  position: relative;
  display: -ms-inline-flexbox;
  display: inline-flex;
  vertical-align: middle;
  padding: 2em 0;
}

.btn-cgrp .btn { border-radius: 0; width:100% }
.btn-cgrp .btn:first-child {border-radius: 14px 0 0 14px}
.btn-cgrp .btn:last-child {border-radius: 0 14px 14px 0}

@media (max-width: 992px) {
  .btn-cgrp { display: inline-table !important }
  .btn-cgrp .btn:first-child {border-radius: 14px 14px 0 0}
  .btn-cgrp .btn:last-child {border-radius: 0 0 14px 14px}
  .hide_medium { display: none; }
}

@media (max-width: 576px) {
  .btn-cgrp .btn{border-radius: 0 !important}
  .hide_small { display: none; }
}

/* -- icons -- */
@font-face {
 font-family:"Font Awesome 5 Brands";
 font-style:normal;
 font-weight:400;
 font-display:block;
 src:url(../webfonts/fa-brands-400.eot);
 src:url(../webfonts/fa-brands-400.eot?#iefix) format("embedded-opentype"),
 url(../webfonts/fa-brands-400.woff2) format("woff2"),
 url(../webfonts/fa-brands-400.woff) format("woff"),
 url(../webfonts/fa-brands-400.ttf) format("truetype"),
 url(../webfonts/fa-brands-400.svg#fontawesome) format("svg")
}
.fab {
 font-family:"Font Awesome 5 Brands"
}
@font-face {
 font-family:"Font Awesome 5 Free";
 font-style:normal;
 font-weight:400;
 font-display:block;
 src:url(../webfonts/fa-regular-400.eot);
 src:url(../webfonts/fa-regular-400.eot?#iefix) format("embedded-opentype"),
 url(../webfonts/fa-regular-400.woff2) format("woff2"),
 url(../webfonts/fa-regular-400.woff) format("woff"),
 url(../webfonts/fa-regular-400.ttf) format("truetype"),
 url(../webfonts/fa-regular-400.svg#fontawesome) format("svg")
}
.fab,
.far {
  font-weight:400
}
@font-face {
 font-family:"Font Awesome 5 Free";
 font-style:normal;
 font-weight:900;
 font-display:block;
 src:url(../webfonts/fa-solid-900.eot);
 src:url(../webfonts/fa-solid-900.eot?#iefix) format("embedded-opentype"),
 url(../webfonts/fa-solid-900.woff2) format("woff2"),
 url(../webfonts/fa-solid-900.woff) format("woff"),
 url(../webfonts/fa-solid-900.ttf) format("truetype"),
 url(../webfonts/fa-solid-900.svg#fontawesome) format("svg")
}
.fa, .fas {
  font-weight: 900;
}
.fa, .far, .fas {
  font-family: "Font Awesome 5 Free";
}
.fa, .fab, .fad, .fal, .far, .fas {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  line-height: 1;
}
.fa-github:before {
  content: "\f09b"; }
.fa-twitter:before {
  content: "\f099"; }
.fa-check:before {
  content: "\f00c"; }
.fa-times:before {
  content: "\f00d"; }
.fa-lock-open:before {
  content: "\f3c1"; }
.fa-lock:before {
  content: "\f023"; }
.fa-info-circle:before {
  content: "\f05a"; }