#stack {
    justify-content:center;
    align-items:center;  
    text-align: center;
    width: 100%;
}

h1 {
    font-size: 26pt;
    font-family: "Arial";
    font-style: italic;
    background-image: linear-gradient(to right, red, orange , yellow, green, blue, indigo, violet);
    -webkit-background-clip: text;
    -moz-background-clip: text;
    background-clip: text;
    color: transparent;
}

#anniversary-list {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    width: 700px;
    list-style-type: coloured-circles;
}

.anniversary-list-item {
    font-family: "Courier New";
    text-align: left;
    font-size: 20pt;
    transition: color .5s;
    color: #cccccc;
    margin: 5px 0;
}

.notice {
    font-family: "Arial";
    text-align: center;
    font-size: 12pt;
    color: #555555;
}

@counter-style coloured-circles {
  system: cyclic;
  symbols: 🔴 🟠 🟡 🟢 🔵 🟣;
  suffix: " ";
}