html {
    padding: 0px;
    font-family: Helvetica, Arial, sans-serif;
    width: 100%;
    min-height: 100vh;
    background-color: bisque;
}
body {
    margin: 0px;
}
.header {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: blanchedalmond;
    height: 5vh;
}
.content {
    padding: 10px;
}