section#large-img {
   background-image: url(../img/header4.webp);
   background-size: cover;
   background-position: 50% 50%;
   background-origin: content-box;
   background-repeat: no-repeat;
}

div#img-left-yellow {
   background-image: url(../img/yellow1.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div#img-right-yellow {
   background-image: url(../img/yellow2.webp);
   background-size: cover;
   background-position: 50% 30%;
}

div#img-left-top-green {
   background-image: url(../img/green2.webp);
   background-size: cover;
   background-position: 50% 40%;
}

div#img-left-bottom-green {
   background-image: url(../img/green3.webp);
   background-size: cover;
   background-position: 50% 40%;
}

div#img-right-green {
   background-image: url(../img/green1.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div#img-center-colorless {
   background-image: url(../img/colorless1.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div#img-left-purple {
   background-image: url(../img/purple1.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div#img-right-purple {
   background-image: url(../img/purple2.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div#img-left-blue {
   background-image: url(../img/blue1.webp);
   background-size: cover;
   background-position: 50% 50%;
}

div.social-media-square#facebook {
   background-image: url(../icon/facebook.png);
}

div.social-media-square#twitter {
   background-image: url(../icon/twitter.png);
}

div.social-media-square#youtube {
   background-image: url(../icon/youtube.png);
}

div.social-media-square#instagram {
   background-image: url(../icon/instagram.png);
}