*, *:before, *:after {
  box-sizing: border-box;
}

html {
  background: #edf2f4;
  background-image: linear-gradient(#e2e9ed 1px, transparent 1px),
    linear-gradient(90deg, #e2e9ed 1px, transparent 1px);
  background-size: 24px 24px;
  color: #3c515e;
  font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

body {
  margin: 0;
  border-top: 5px solid #20a8cf;
  background: -webkit-linear-gradient(top, #ffffff, rgba(255, 255, 255, 0) 420px);
  background: linear-gradient(#ffffff, rgba(255, 255, 255, 0) 420px);
}

header, nav, main, section, footer {
  display: block;
}

a {
  color: #08698f;
}

a:focus, button:focus, input:focus {
  outline: 3px solid #096b94;
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.page {
  max-width: 792px;
  padding: 0 28px;
  margin: 0 auto;
}

.header {
  padding: 24px 0 20px;
  border-bottom: 2px solid #d4e4eb;
}

.header:after {
  content: "";
  display: table;
  clear: both;
}

.brand {
  display: inline-block;
  color: #526b78;
  font-size: 25px;
  font-weight: bold;
  letter-spacing: -1px;
  line-height: 44px;
  text-decoration: none;
  text-shadow: 0 2px 0 #fff;
}

.brand span {
  color: #087ba4;
  font-weight: normal;
}

.languages {
  float: right;
  padding: 3px;
  border: 1px solid #bccfd8;
  border-radius: 24px;
  background: #e6edf1;
  box-shadow: inset 0 2px 3px #cfdce2, 0 1px 0 #fff;
  font-size: 13px;
}

.languages a {
  display: inline-block;
  min-width: 44px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 20px;
  color: #476373;
  line-height: 24px;
  text-align: center;
  text-decoration: none;
}

.languages .active {
  border-color: #50b6d3;
  background: #f4fcff;
  background: -webkit-linear-gradient(top, #fff, #d7f1fa);
  background: linear-gradient(#fff, #d7f1fa);
  box-shadow: inset 0 1px 0 #fff, 0 1px 3px #b4cbd6;
  color: #096b94;
  font-weight: bold;
}

.languages a:hover {
  color: #064c6c;
  text-decoration: underline;
}

main {
  padding-top: 28px;
}

.intro {
  padding: 0 12px;
  margin-bottom: 26px;
  text-align: center;
}

.network-icon {
  position: relative;
  display: block;
  width: 68px;
  height: 68px;
  overflow: hidden;
  margin: 0 auto 18px;
  border: 3px solid #fff;
  border-radius: 18px;
  background: #29a8d0;
  background: -webkit-linear-gradient(top, #9de7fa, #31afd5 48%, #1491bd 49%, #52c1df);
  background: linear-gradient(#9de7fa, #31afd5 48%, #1491bd 49%, #52c1df);
  box-shadow: 0 0 0 1px #7cbed3, 0 4px 7px #c4d4dc;
}

.network-icon:before, .network-icon span, .network-icon:after {
  position: absolute;
  width: 54px;
  height: 54px;
  top: 17px;
  left: 50%;
  margin-left: -27px;
  border: 5px solid transparent;
  border-top-color: #fff;
  border-radius: 50%;
  content: "";
}

.network-icon span {
  width: 34px;
  height: 34px;
  top: 27px;
  margin-left: -17px;
}

.network-icon:after {
  width: 16px;
  height: 16px;
  top: 36px;
  margin-left: -8px;
  border-width: 8px;
}

h1 {
  max-width: 560px;
  margin: 0 auto 10px;
  color: #385e73;
  font-size: 28px;
  font-weight: normal;
  line-height: 1.3;
  text-shadow: 0 2px 0 #fff;
}

h2 {
  padding: 13px 24px;
  margin: 0;
  border-bottom: 1px solid #bcdfed;
  border-radius: 17px 17px 0 0;
  background: #e4f4fb;
  background: -webkit-linear-gradient(top, #fff, #e1f2f9);
  background: linear-gradient(#fff, #e1f2f9);
  color: #146585;
  font-size: 19px;
  font-weight: normal;
  line-height: 1.4;
  text-shadow: 0 1px 0 #fff;
}

p {
  margin: 0 0 16px;
}

.description, .note, .footer {
  color: #526b78;
}

.description {
  font-size: 14px;
}

.development {
  display: inline-block;
  padding: 7px 16px;
  margin: 0;
  border: 1px solid #d7c89d;
  border-radius: 9px;
  background: #fffbec;
  box-shadow: inset 0 1px 0 #fff, 0 2px 0 #e0e5e6;
  color: #75602a;
  font-size: 13px;
}

.panel {
  margin-bottom: 24px;
  border: 2px solid #77bdd8;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 4px 0 #d1dfe6, 0 6px 12px #d5e0e5;
}

.panel-body {
  padding: 24px;
}

.connection-details {
  padding: 0;
  margin: 0 0 20px;
}

.connection-details div {
  margin: 0 0 12px;
}

.connection-details dt {
  display: inline-block;
  width: 18%;
  padding: 8px 0;
  color: #526b78;
  font-size: 14px;
  vertical-align: top;
}

.connection-details dd {
  display: inline-block;
  width: 80%;
  padding: 8px 14px;
  margin: 0;
  border: 1px solid #c6d6de;
  border-radius: 7px;
  background: #f2f6f8;
  box-shadow: inset 0 2px 3px #e0e8ed, 0 1px 0 #fff;
  color: #365467;
  font-size: 15px;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.proxy-address {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid #c6d6de;
  border-radius: 7px;
  background: #f8fbfd;
  color: #466478;
  font-family: "Courier New", monospace;
  font-size: 13px;
  text-align: center;
}

.copy-button {
  display: block;
  min-width: 224px;
  max-width: 100%;
  min-height: 48px;
  padding: 10px 24px;
  margin: 0 auto;
  border: 2px solid #43aed2;
  border-radius: 28px;
  background: #e8f7fd;
  background: -webkit-linear-gradient(top, #fff, #f4fcff 48%, #d9f0fa 49%, #e9f8ff);
  background: linear-gradient(#fff, #f4fcff 48%, #d9f0fa 49%, #e9f8ff);
  box-shadow: inset 0 0 0 2px #fff, 0 3px 0 #c6dce6;
  color: #11678b;
  font-family: inherit;
  font-size: 16px;
  text-shadow: 0 1px 0 #fff;
  cursor: pointer;
}

.copy-button:hover {
  border-color: #087ca8;
  background: #daf3ff;
}

.copy-button:active {
  background: #d2eaf4;
  box-shadow: inset 0 2px 4px #b9d6e4;
}

.copy-status {
  margin: 12px 0 0;
  color: #11678b;
  font-size: 13px;
  text-align: center;
}

.steps {
  padding: 0;
  margin: 0 0 20px;
  list-style: none;
  counter-reset: setup-step;
}

.steps li {
  position: relative;
  min-height: 38px;
  padding: 0 0 16px 50px;
  margin: 0 0 16px;
  border-bottom: 1px solid #e0ebf0;
  font-size: 15px;
  counter-increment: setup-step;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.steps li:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1px solid #65b5d2;
  border-radius: 50%;
  background: #e5f5fc;
  background: -webkit-linear-gradient(top, #fff, #d9eff9);
  background: linear-gradient(#fff, #d9eff9);
  box-shadow: inset 0 0 0 2px #fff, 0 2px 0 #d2e3ec;
  color: #10648a;
  font-size: 16px;
  line-height: 32px;
  text-align: center;
  content: counter(setup-step);
}

.steps li:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.steps strong {
  color: #285e7b;
  font-weight: bold;
}

.note {
  padding: 14px 16px;
  margin-bottom: 0;
  border: 1px solid #d6e3e9;
  border-radius: 8px;
  background: #f3f7f9;
  font-size: 13px;
}

.footer {
  padding: 20px 0 28px;
  border-top: 2px solid #c9dce5;
  font-size: 13px;
  text-align: center;
}

.footer p {
  margin: 0;
}

.footer p + p {
  margin-top: 12px;
}

.footer a {
  display: inline-block;
  padding: 8px 18px;
  margin-left: 6px;
  border: 1px solid #bbd1de;
  border-radius: 22px;
  background: #f4f9fc;
  background: -webkit-linear-gradient(top, #fff, #e4eef4);
  background: linear-gradient(#fff, #e4eef4);
  box-shadow: inset 0 1px 0 #fff, 0 2px 0 #cbdce5;
  color: #256381;
  text-decoration: none;
}

.footer a:hover {
  border-color: #3b9fc4;
  text-decoration: underline;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

@media screen and (max-width: 480px) {
  .page {
    padding: 0 12px;
  }

  .header {
    padding: 14px 0;
  }

  .brand {
    font-size: 22px;
    line-height: 46px;
  }

  .languages a {
    padding: 7px 6px;
  }

  main {
    padding-top: 24px;
  }

  .intro {
    padding: 0 4px;
  }

  h1 {
    font-size: 23px;
  }

  .development {
    padding: 7px 10px;
  }

  h2 {
    padding: 12px 16px;
    font-size: 18px;
  }

  .panel-body {
    padding: 18px 14px;
  }

  .connection-details dt, .connection-details dd {
    display: block;
    width: auto;
  }

  .connection-details dt {
    padding: 0 0 5px;
  }

  .connection-details dd {
    padding: 9px 10px;
    font-size: 14px;
  }

  .proxy-address {
    padding: 10px 6px;
    font-size: 12px;
  }

  .copy-button {
    min-width: 0;
    width: 100%;
  }

  .steps li {
    padding-left: 42px;
    font-size: 14px;
  }

  .note {
    padding: 12px;
  }
}