html, body {
    width: 100%;
    margin: 0;
    top: 0;
}

.header {
    width: 100%;
    height: 80px;
    background-color: lightgray;
    position: relative;
    /* top: 0; */
    text-align: center;
    font-size: 42px;
    padding-top: 20px;
}


.label-warning {
    background-color: #f0ad4e;
    padding: 10px;
    border-radius: 15px;
}

.label-warning p {
    margin:0;
}