header {background:#a8a8a8;color:#fff;text-align:center;}
form {text-align:left;}
form h3 {text-align:center;}
label {width:100%;text-align:left;}
#logo {height:4rem;}
.ml-auto {margin-left:auto;}
.nav-link {margin-left:.5rem;margin-right:.5rem;}
footer {background:#a8a8a8;color:#fff;text-align:center;}