body {
  color: white;
  font-family: monospace;
}

.background {
  background: url("images/stars.jpg"), linear-gradient(var(--rotate), #3bbadd, #000 43%, #2c00a0);
  background-blend-mode: luminosity;
  background-attachment: fixed;
  background-size: cover;
  animation: spin 12s linear infinite;

  filter: blur(2.5px);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

@supports (-moz-appearance:none) {
.background {
  background: url("images/stars.jpg");
}
}

@property --rotate {
  syntax: "<angle>";
  initial-value: 132deg;
  inherits: false;
}

@keyframes spin {
  0% { --rotate: 0deg; }
  100% { --rotate: 360deg; }
}

:not(.img-comp-img) > img{
  display: block;
  max-width: 100%;
  border: 7px solid #113;
  border-radius: 10px;
  box-shadow: 0 0 15px 0 #000;
}

.img-comp-img > img{
  max-height: 100%;
}

a {
  color: #77a;
}

.header {
  text-align: center;
        font-size: 36px; /* Adjust font size as needed */
        color: #fff; /* Text color */
        text-shadow: 0 0 10px #337, /* Adjust shadow size and color */
                     0 0 20px #337,
                     0 0 30px #337,
                     0 0 40px #337,
                     0 0 50px #337,
                     0 0 60px #337,
                     0 0 70px #337;
}

.container {
  font-size: 12pt;
  width: 75%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.center {
  display: flex;
justify-content: space-around;
  align-items: center;
  margin-left: auto;
  margin-right: auto;
}

.two-columns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 10px;
  text-align: center;
}

.feature {
  width: 80%;
}

* {box-sizing: border-box;}

.img-comp-container {
  position: relative;
  height: 500px;
  width: 500px;
}

.img-comp-img {
  position: absolute;
  height: 500px;
  width: 500px;
  overflow: hidden;
}

.img-comp-overlay {
  width: 100%;
  height: 100%;
}

.img-comp-img img {
  display: block;
  vertical-align: middle;
}

.img-comp-slider {
  position: absolute;
  z-index: 9;
  cursor: ew-resize;
  /*set the appearance of the slider:*/
  width: 40px;
  height: 40px;
  /*background-color: #bd93f9;*/
  background-image: url('images/deathstar.png');
  background-size: 100%;
  opacity: 0.8;
  border-radius: 50%;
}


/*
.image-slider {
    position: relative;
    display: inline-block;
}

.image-slider img {
    user-select: none;
    max-width: 400px;
}

.image-slider > div {
    position: absolute;
    width: 50%;
    overflow: hidden;
    resize: horizontal;
}

.image-slider > div:before {
    display: block;
    overflow: hidden;
    position: absolute;
    resize: horizontal;
}
*/