dl {
   margin-top: 1em;
   margin-bottom: 1em;
}

ul {
    list-style-type: none;
}

h1 {
    color: white;
}

p {
    color: black;
}

.rect {
    color: white;
}

body {
    background-image: url(https://images.wallpaperscraft.com/image/single/silhouette_starry_sky_meteors_150584_1920x2500.jpg);
    background-size: cover;
    background-repeat: no-repeat; /* Чтобы изображение не повторялось */
    height: 100vh; /* Чтобы фон занимал всю высоту экрана */
    background-attachment: fixed;
}

.block {
    padding: 3px;
    margin: 0;
    opacity: 0.5;
    position: relative;        
}

.block::before {
    content: "";
    background: White;
    box-shadow:0 0 20px #555;
    z-index: -1;
    display: block;
    position: absolute;
    top: -2px;
    right: -2px;
    bottom: -2px;
    left: -2px;
}

.seperator-wrapper {
  width: 80%;  
  .seperator {
    width: 375px;
    height: 5px;
    animation: rotate 3s infinite linear;
    -webkit-animation: rotate 3s infinite linear;
  }
  
}

@-webkit-keyframes rotate {
  from {
    background-position: -3000px;
  }
  to { 
    background-position: 0px;
  }
}

@keyframes rotate {
  from {
    background-position: -3000px;
  }
  to { 
    background-position: 0px;
  }
}

.gradient {
  background: rgb(48,255,144); /* Old browsers */
background: -moz-linear-gradient(left,  rgba(48,255,144,1) 0%, rgba(237,45,237,1) 25%, rgba(201,152,38,1) 50%, rgba(48,255,230,1) 75%, rgba(48,255,144,1) 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(48,255,144,1)), color-stop(25%,rgba(237,45,237,1)), color-stop(50%,rgba(201,152,38,1)), color-stop(75%,rgba(48,255,230,1)), color-stop(100%,rgba(48,255,144,1))); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(left,  rgba(48,255,144,1) 0%,rgba(237,45,237,1) 25%,rgba(201,152,38,1) 50%,rgba(48,255,230,1) 75%,rgba(48,255,144,1) 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(left,  rgba(48,255,144,1) 0%,rgba(237,45,237,1) 25%,rgba(201,152,38,1) 50%,rgba(48,255,230,1) 75%,rgba(48,255,144,1) 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(left,  rgba(48,255,144,1) 0%,rgba(237,45,237,1) 25%,rgba(201,152,38,1) 50%,rgba(48,255,230,1) 75%,rgba(48,255,144,1) 100%); /* IE10+ */
background: linear-gradient(to right,  rgba(48,255,144,1) 0%,rgba(237,45,237,1) 25%,rgba(201,152,38,1) 50%,rgba(48,255,230,1) 75%,rgba(48,255,144,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#30ff90', endColorstr='#30ff90',GradientType=1 ); /* IE6-9 */

}