#MainContentArea {
  height: 100vh;
}
.error-container {
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
  width: 690px;
  height: 338px;
  position: relative;
  margin: 60px auto 0 !important;
  border: 1px solid #f7f7f7;
  border-radius: 3px;
  color: #333;
  overflow: hidden;
}
.error-container > article {
  float: left;
  position: relative;
}
.error-container > article:first-child {
  width: 310px;
  height: 100%;
  background-color: #f4f4f4;
  margin: 0;
}
.error-container > article:first-child .error-code {
  margin: 0 auto;
  padding: 20px 40px;
  position: absolute;
  z-index: 10;
  display: inline-block;
  text-shadow: 0 1px #fff;
}
.error-container > article:first-child .error-code .number {
  font-size: 130px;
  line-height: 130px;
}
.error-container > article:first-child .error-code .message {
  text-transform: uppercase;
  text-align: right;
  font-size: 11px;
}
.error-container > article:first-child .error-code p {
  font-size: 16px;
}
.error-container > article:first-child .logo {
  width: 310px;
  height: 100%;
  position: absolute;
  top: 0;
  bottom: 0;
}
.error-container > article:first-child .logo .c1 {
  border: 40px solid #d6d6d6;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  position: absolute;
  top: -70px;
  left: -175px;
}
.error-container > article:first-child .logo .c2 {
  border: 40px solid #d6d6d6;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  position: absolute;
  top: -190px;
  left: -310px;
}
.error-container > article:first-child .logo .c3 {
  border: 40px solid #d6d6d6;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  position: absolute;
  bottom: -170px;
  right: -170px;
}
.error-container > article:first-child .logo .c4 {
  border: 40px solid #d6d6d6;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  position: absolute;
  bottom: -300px;
  right: -300px;
}
.error-container > article:last-child {
  width: 300px;
  height: 285px;
  padding: 40px;
  vertical-align: top;
  background-color: rgba(235, 235, 235, 0.92);
  font-weight: 300;
  box-shadow: -1px 0 5px rgba(0, 0, 0, 0.15);
  z-index: 2;
}
.error-container > article:last-child p {
  text-shadow: 0 1px #fff;
  line-height: 1.25em;
  margin-bottom: 18px;
}
.error-container > article:last-child p .btn {
  width: 125px;
  font-size: 13px;
}
.error-container > article:last-child * {
  font-size: 16px;
}
.error-container > article:last-child > p {
  line-height: 1.5rem;
}
.error-container > article:last-child > ul {
  list-style: none;
  margin-top: 1.5rem;
}
.error-container > article:last-child > ul li {
  margin: 0.8rem 0;
}