html, body {
  padding: 0;
  margin: 0;
}

a {
  text-decoration: none
}

body {
 background-color: #212121;
 font-family: "Helvetica Neue", Arial, sans-serif;;
}

.main {
  position: relative;
}

.background {
  position: fixed;
  width: 100%;
  height: 100vh;
  background-size: 32px 32px;
  background-image: radial-gradient(farthest-side, #ffffff0f 10%, transparent 10%);
  z-index: -1;
}


.viewDom, .viewDom .topImg {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.viewDom {
  width: 100vw;
  height: 100vh;
  color: aliceblue;
  text-align: center;
}

.viewDom .title {
  margin: 12px 0;
  font-size: 25px;
  font-weight: 700;
}


.viewDom .topImg img {
  height: 256px;
}

.viewDom .topImg::after {
  content: "";
  height: 16px;
  width: 128px;
  margin-top: -16px;
  background: transparent;
  background: -webkit-linear-gradient(360deg, #212121, transparent);
  background: linear-gradient(360deg, #212121, transparent);
}

.viewDom .text {
  margin-bottom: 32px;
} 

.link, .button {
  color: aliceblue;
  transition: color .1s
}

.link:hover {
  color: #46a9ff
}

.button {
  padding: 8px 12px;
  border-radius: 3px;
  border: 1px solid aliceblue;
  transition: background .25s,border-radius .08s;
}

.button:hover {
  color: #212121;
  border-radius: 8px;
  background: aliceblue;
}

.aboutDom {
  max-width: 600px;
  margin: 12px auto;
  padding: 0 12px;
  color: aliceblue;
}

.aboutDom .header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.aboutDom .title {
  font-size: 24px;
  font-weight: 700
}

.aboutDom .items {
  margin: 12px 0;
}

.aboutDom .items .title {
  padding: 8px 12px;
  border-left: 12px solid aliceblue;
}

.aboutDom .items .text {
  margin: 8px 0 0 24px;
  padding: 12px;
  border: 1px solid aliceblue;
  border-radius: 8px;
}

.aboutDom .items .text p {
  text-indent: 2em;
  margin: .5rem;
}

.links {
  display: flex;
  align-items: center;
}

.ml12 {
  margin-left: 12px;
}

.copy {
  margin: 12px 0;
  color: rgb(255 255 255 / 45%);
  font-size: 12px;
  text-align: center;
}

.copy.index {
  position: fixed;
  bottom: 0;
}

@media screen and (max-height:800px) {
  .copy.index {
    position: relative;
    margin-top: 32px;
  }
}