:root{--input-padding-x:.75rem;--input-padding-y:.75rem}html,body{height:100%}body{background-color:#f5f5f5;justify-content:center;align-items:center;padding-top:40px;padding-bottom:40px;display:-ms-flexbox;display:-webkit-box;display:flex}.form-signin{width:100%;max-width:420px;margin:0 auto;padding:15px}.form-label-group{margin-bottom:1rem;position:relative}.form-label-group>input,.form-label-group>label{padding:var(--input-padding-y)var(--input-padding-x)}.form-label-group>label{color:#495057;border:1px solid #0000;border-radius:.25rem;width:100%;margin-bottom:0;line-height:1.5;transition:all .1s ease-in-out;display:block;position:absolute;top:0;left:0}.form-label-group input::-webkit-input-placeholder{color:#0000}.form-label-group input:-ms-placeholder-shown{color:#0000}.form-label-group input::-moz-placeholder{color:#0000}.form-label-group input::placeholder{color:#0000}.form-label-group input:not(:placeholder-shown){padding-top:calc(var(--input-padding-y) + var(--input-padding-y)*(2/3));padding-bottom:calc(var(--input-padding-y)/3)}.form-label-group input:not(:placeholder-shown)~label{padding-top:calc(var(--input-padding-y)/3);padding-bottom:calc(var(--input-padding-y)/3);color:#777;font-size:12px}