body{margin:0;padding:0;height:100%;overflow:auto}.container{font-size:1rem}header,footer{font-family:Arial,sans-serif;margin:0;padding:0;display:flex;flex-direction:column;background-color:#15209e;color:#fff;padding:1rem;text-align:center}.main{margin:0 15%;flex:1;padding:1rem}footer{color:#fff!important}.center-container{display:flex;justify-content:center;align-items:center;height:100vh}