#snowflakeContainer {position: absolute;left: 0px;top: 0px;display: none;}.snowflake {position: fixed;background-color: red;user-select: none;pointer-events: none;border-radius: 50%;width: 15px;height: 15px;}@keyframes back {0% {background-color: white;}100% {background-color: #FFF44F;}}linearGradient {animation: back 15s linear infinite;}