.social-links {display: flex; justify-content: left}
.social-links a {margin: 0 10px;}
.social-links img {width: 30px; height: 30px}
body {color: white; background-color: black; background-image: url("galaxies_o.png"); background-repeat: repeat}
.container {
      margin-left: 5%;
    }
    a:link {
         color: deepskyblue;
         background-color: transparent;
         text-decoration: none;
      }
      a:visited {
         color: deepskyblue;
         background-color: transparent;
         text-decoration: none;
      }
      a:active {
         color: yellow;
         background-color: transparent;
      }