html,
body {
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  font-family: Roboto, sans-serif;
  overflow-x: hidden;
}
.header {
  background-color: #0e2440;
  color: white;
  align-items: center;
  display: flex;
  height: 60px;
}
.ultxLogo {
  position: relative;
  left: 40px;
  top: 4px;
}
.error {
  display: flex;
  flex-direction: row;
  height: auto;
}
.PCImg {
  display: block;
  width: 603px;
  height: calc(100vh - 120px - 84px);
  margin: 45.35px 0px 39.35px 141px;
}
#unavimg {
  width: 653px
}
.MImg {
  display: none;
}
.errorHead {
  font-size: 24px; 
  color: #262626;
}
#unaverrorContent {
  margin-left: 50px;
}
.errorContent {
  width: 100%;
  padding-top: 200px;
  margin-left: 100px;
}
.errorDesc {
  line-height: 1.0;
  color: #4f4f4f;
}
.btnDiv {
  padding-top: 5px;
}
.errorBtn {
  border: 0.1rem solid;
  border-radius: 20px;
  color: white;
  background-color: #2469bc;
  cursor: pointer;
  display: inline-block;
  font-size: 16px;
  height: 48px;
  border-radius: 40px;
  padding: 0.625em 1.2em;
}
.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background-color: #f4f4f4;
  align-items: center;
  display: flex;
  height: 60px;
  justify-content: space-between;
}
.logo-footer {
  padding: 10px 20px;
}
.copyright-footer {
  font-size: 12px;
  margin-right: 20px;
}
@media screen and (max-width: 850px) {
  html,
  body {
    overflow-y: auto;
    height: 100vh;
  }
  .ultxLogo {
    left: 20px;
  }
  .error {
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    height: calc(100vh - 200px);
  }
  .PCImg{
    display: none;
  }
  .MImg{
    display: block;
    margin: 0 auto;
    margin-top: -20%;
    width: 80%;
    height: auto;
  }
  .errorHead {
    font-size: 20px;
  }
  #unaverrorContent {
    margin-left:0;
  }
  .errorContent {
    display: flex;
    flex-direction: column;
    position: relative;
    bottom: -5%;
    align-items: center;
    justify-content: space-evenly;
    height: 150px;
    margin: 0;
    margin-top: -25%;
    padding: 0;
  }
  .errorDesc {
    display: flex;
    text-align: center;
    flex-direction: column;
    align-items: center;
    hyphens: auto;
    line-height: 175%;
    padding: 0 5%;
  }
  .btnDiv {
    padding-top: 10px;
  }
  .errorBtn {
    margin-top: 24px;
  }
  .footer {
    flex-direction: column;
    align-items: normal;
    height: 100px;
  }
  .logo-footer {
    padding-left: 4%;
  }
  .copyright-footer {
    font-size: 12px;
    padding-left: 5%;
    margin-bottom: 5%;
  }
  p {
    margin: 0;
  }
}
@media screen and (min-width: 0px) and (max-width: 400px) {
  .MImg{
    width: 70%;
  }
  .errorBtn {
    margin-top: 10px;
  }
}
@media screen and (min-height: 0px) and (max-height: 768px) {
  .MImg{
    width: 60%;
  }
}