i2i-cz-homepage/hp_assets/css/main.css

html {height: 100%; width: 100%;}
body {font-family: sans-serif; background: url("../img/sayagata-400px.png") repeat; z-index: 1; height: 100%; width: 100%; background-position: center; background-attachment: fixed;}

.hidden {display: none;}
.menu-item {display: none; z-index: 3;}

#bg-overlay {position: fixed; width: 100%; height: 100%; background-color: #fff; opacity: 0; z-index: 2; transition: .3s all;}
body.menu-shown #bg-overlay {opacity: 0.3;}

#mobile-menu-wrap {z-index: 3; position: absolute; top: 15px; left: 15px;}
#mobile-menu-wrap a {font-size: 20px; padding: 20px 20px 20px 24px; display: block; color: #fff;}
#mobile-menu-wrap a:hover {color: #fff;}

.bg {border-radius: 5px; background-color: rgba(0, 0, 0, .5); padding: 20px;}
.bg a {color: #fff;}

#links-wrap {font-size: 70px; width: 50%; height: 50%; margin: 25% auto 0; overflow: hidden; padding: 50px; position: relative; overflow-y: scroll;}
#links-wrap a {transition: .3s all;}
#links-wrap a:hover {color: #00AB00;}
#links-wrap .link {display: inline-block; float: left; text-align: center;}

#pic-info-wrap {color: #fff; font-size: 16px; position: absolute; bottom: 15px; left: 15px;}
#pic-info-wrap a:hover, #pic-info-wrap a:active {color: #fff; text-decoration: none;}

#clock-wrap {color: #fff; font-size: 20px; position: absolute; top: 15px; right: 15px;}

@media (min-width: 992px) {
  #links-wrap {margin-top: 15%; height: auto; font-size: 80px;}

  #clock-wrap {font-size: 30px;}
}