body  {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login { text-align: center;}

.login form {
    display:grid;
    grid-template-columns: max-content max-content;
    grid-gap:5px;
    }
.login form label       { text-align:right; }
.login form label:after { content: ":"; }