body {
            background-image: url("hand-hearts-at-sunset-941.jpeg");
            background-size: 100vw;
            font-family: Pacifico, sans-serif;
            background-color: #cdffff;
            font-size: 2vw;
            color: #222;
          }
          span.block-line > span {
              background-image: linear-gradient(90deg,#f00,#ff2b00,#f50,#ff8000,#fa0,#ffd500,#ff0,#d4ff00,#af0,#80ff00,#5f0,#2bff00,#0f0,#00ff2b,#0f5,#00ff80,#0fa,#00ffd5,#0ff,#00d4ff,#0af,#007fff,#05f,#002bff,#00f,#2a00ff,#50f,#7f00ff,#a0f,#d400ff,#f0f,#ff00d4,#f0a);
              color: #0000;
              -webkit-background-clip: text;
              background-clip: text;
          }
          .rainbow-text .block-line > span {
              display: inline-block;
          }
          h1 {
            font-size: 4vw;
          }
          #heading-container {
            text-align: center;
          }
          ul {
            list-style: none;
          }