body{margin:0;height:100vh;display:flex;flex-direction:column}#particles-js{z-index:0;width:100%;height:100%;position:fixed;top:0;left:0;background-color:#2c2e43;background-size:cover;background-repeat:no-repeat;background-position:50% 50%}#page-wrapper{z-index:1;position:relative;display:flex;flex-direction:column;justify-content:center;min-height:100vh}#content{text-align:start;margin:auto;z-index:2}#footer{z-index:2;text-align:center;padding:20px 0;color:#fff}