html, body { margin: 0px; overflow: hidden; width: 100%; height: 100%; background: linear-gradient(rgb(0, 0, 0) 0%, rgb(87, 136, 254) 100%); font-family: Questrial, "Noto Serif SC"; }
.filter { width: 100%; height: 100%; position: absolute; top: 0px; left: 0px; background: rgb(239, 34, 34); animation: 30s ease-in-out 0s infinite normal both running colorChange; mix-blend-mode: overlay; }
@keyframes colorChange { 
  0%, 100% { opacity: 0; }
  50% { opacity: 0.9; }
}
.landscape { position: absolute; bottom: 0px; left: 0px; width: 100%; height: 100%; background-image: url(""); background-size: 1000px 250px; background-repeat: repeat-x; background-position: center bottom; }
.content { user-select: none; text-align: center; color: rgb(255, 255, 255); position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%); z-index: 9999; }
.content .title { margin: 15px 0px; font-size: 2.5em; letter-spacing: 4px; color: rgb(255, 255, 255); }
.content .hr { width: 50%; margin: 20px auto; border-right: none; border-bottom: none; border-left: none; border-image: initial; border-top: 1px solid rgb(255, 255, 255); height: 1px; }
.content .discription { font-size: 20px; margin: 20px; }
.cover-navigation { margin: 30px; }
nav { display: inline-block; position: relative; }
.navigation { display: inline-block; position: relative; margin: 0px; list-style-type: none; }
.navigation__item { display: inline-block; line-height: 1em; padding: 1em 0px; }
.navigation__item a { position: relative; color: rgb(255, 255, 255); opacity: 0.8; transition: all 0.3s ease 0s; padding: 10px 20px; border: 1px solid rgb(255, 255, 255); border-radius: 20px; font-size: 0.9em; font-weight: bold; letter-spacing: 1px; text-shadow: none; -webkit-font-smoothing: antialiased; text-decoration: none; }
.navigation__item a:hover { color: rgb(255, 255, 255); background: rgb(255, 127, 0); border-color: rgb(255, 127, 0); opacity: 1; transition: all 0.3s ease 0s; }
ol, ul { list-style: none; margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline; }
.icp { margin: 20px; }
.icpnum { color: rgb(255, 255, 255); text-decoration: none; }