* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
}

.footer {
  padding: 20px 0;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
  background-color: #202020;
}

.footer p {
  font-size: 14px;
  margin: 0;
}

html {
  min-height: 100vh;
  background: linear-gradient(to top, #202020 30%, rgba(32, 32, 32, 0) 100%);
}

a {
  text-decoration: none;
}

@keyframes opacity {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
#startrack {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.footer a {
  color: rgba(255, 255, 255, 0.3);
}

@media (min-width: 1200px) {
  #bg {
    min-height: calc(100vh + 10px);
    background: linear-gradient(to top, #202020 30%, rgba(32, 32, 32, 0) 100%);
    width: 100%;
    position: relative;
    top: 0;
  }
  #mainbody {
    width: 1200px;
    margin: 0 auto;
  }

  .Cerro {
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .Cerro span {
    font-size: 26px;
    letter-spacing: 0.2em;
    color: #fff;
  }
  .Cerro span::after {
    content: "";
    display: block;
    width: 160px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.5);
    margin-top: 30px;
  }

  .Ottking .Gaussian {
    font-size: 42px;
    letter-spacing: 0.5em;
    color: #fff;
    margin-bottom: 30px;
    margin-top: 200px;
  }
  .Ottking .Nexus {
    font-weight: 400;
    font-size: 22px;
    line-height: 1.5em;
    letter-spacing: 0.2em;
    color: #fff;
    margin-bottom: 200px;
  }
  .Ottking .Nexus .input {
    animation: opacity 0.5s infinite;
  }

  .Ottfather .Gaussian {
    display: flex;
    flex-wrap: wrap;
    /* justify-content: space-between; */
  }
  .Ottfather .Gaussian li {
    flex: 0 0 22%;
    height: 80px;
    position: relative;
    cursor: pointer;
    margin-bottom: 20px;
    margin-right: 4%;
  }
  .Ottfather .Gaussian li:nth-child(4n){
    margin-right: 0;
  }
  .Ottfather .Gaussian li .bg {
    height: 1px;
    width: 100%;
    transition: 0.2s all;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
    border-radius: 8px;
  }
  .Ottfather .Gaussian li .Astra {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 14px;
  }

  .Ottfather .skill {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .Ottfather .skill li {
    list-style: none;
    padding: 10px 0;
    flex: 0 0 48%;
    display: flex;
    justify-content: space-between;
  }
  .Ottfather .skill li p {
    display: inline-block;
    font-size: 14px;
  }
  .Ottfather .skill li span {
    font-size: 12px;
    color: #ddd;
    position: relative;
    top: -5px;
    letter-spacing: 0.5em;
    transition: 0.3s all;
  }
  .Ottfather .skill li a {
    font-size: 12px;
    color: #ddd;
    position: relative;
    top: -5px;
    letter-spacing: 0.5em;
    transition: 0.3s all;
    cursor: pointer;
  }
}

@media (max-width: 1200px) {
  #bg {
    min-height: calc(100vh + 10px);
    background: linear-gradient(to top, #202020 30%, rgba(32, 32, 32, 0) 100%);
    width: 100%;
    position: relative;
    top: 0;
  }
  #mainbody {
    width: 100%;
    margin: 0 auto;
    padding: 0 10px;
  }

  .Cerro {
    margin-bottom: 40px;
  }
  .Cerro span {
    font-size: 26px;
    letter-spacing: 0.2em;
    color: #fff;
  }
  .Cerro span::after {
    content: "";
    display: block;
    width: 160px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.5);
    margin-top: 30px;
  }

  .Ottking .Gaussian {
    font-size: 24px;
    letter-spacing: 0.5em;
    color: #fff;
    margin-bottom: 30px;
    margin-top: 100px;
  }
  .Ottking .Nexus {
    font-weight: 400;
    font-size: 14px;
    line-height: 1.5em;
    letter-spacing: 0.2em;
    color: #fff;
    margin-bottom: 100px;
  }
  .Ottking .Nexus .input {
    animation: opacity 0.5s infinite;
  }

  .Ottfather .Gaussian {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .Ottfather .Gaussian li {
    flex: 0 0 48%;
    height: 80px;
    position: relative;
    cursor: pointer;
    margin-bottom: 20px;
  }
  .Ottfather .Gaussian li .bg {
    height: 100%;
    width: 100%;
    transition: 0.2s all;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
    border-radius: 8px;
  }
  .Ottfather .Gaussian li .Astra {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 14px;
  }

  .Ottfather .skill {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .Ottfather .skill li {
    list-style: none;
    padding: 10px 0;
    flex: 0 0 100%;
    display: flex;
    justify-content: space-between;
  }
  .Ottfather .skill li p {
    display: inline-block;
    font-size: 10px;
  }
  .Ottfather .skill li span {
    font-size: 10px;
    color: #ddd;
    position: relative;
    top: -5px;
    letter-spacing: 4px;
    transition: 0.3s all;
  }
  .Ottfather .skill li a {
    font-size: 10px;
    color: #ddd;
    position: relative;
    top: -5px;
    letter-spacing: 4px;
    transition: 0.3s all;
    cursor: pointer;
  }
}
