html,
body {
    height: 100%;
}

body {
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.form-signin {
   width: 100%;
max-width: 330px;
padding: 31px;
margin: auto;
border: 1px solid black;
border-radius: 5px;
}
.form-signin .checkbox {
    font-weight: 400;
}
.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}




html {
  height:100%;
}

body {
  margin:0;
}

.bg {
  animation:slide 3s ease-in-out infinite alternate;
  background-image: linear-gradient(-60deg, #6c3 50%, #09f 50%);
  bottom:0;
  left:-50%;
  opacity:.5;
  position:fixed;
  right:-50%;
  top:0;
  z-index:-1;
}

.bg2 {
  animation-direction:alternate-reverse;
  animation-duration:4s;
}

.bg3 {
  animation-duration:5s;
}

.content {
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  
}

h1 {
  font-family:monospace;
}

@keyframes slide {
  0% {
    transform:translateX(-25%);
  }
  100% {
    transform:translateX(25%);
  }
}

.auth-loader {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.46);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 9999;
}

.auth-loader.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.auth-loader__box {
  min-width: 220px;
  max-width: 320px;
  background: #0f172a;
  color: #ffffff;
  border-radius: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.35);
  text-align: center;
}

.auth-loader__spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 10px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.24);
  border-top-color: #2563eb;
  animation: auth-loader-spin 0.8s linear infinite;
}

.auth-loader__text {
  font-size: 14px;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.92);
}

@keyframes auth-loader-spin {
  to {
    transform: rotate(360deg);
  }
}