html, body {
    font-size: 14px;
    font-family: Verdana,Geneva,sans-serif;
    color: #444;
    height: 100%;
    margin: 0;
    background-color: #f9fafe;
}

.form-signin {
    padding: 100px 15px 0px 15px;
    width: 100%;
    max-width: 330px;
}

.form-signin .checkbox {
    font-weight: 400;
}

.form-signin .form-floating:focus-within {
    z-index: 2;
}

.form-signin input[type="text"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

pre {
    line-height:1.2em;
    border:  1px solid #ccc;
    border-radius:  4px;
    background-color:  #eee;

    font-size: 14px;

    /* some extra styles*/
    padding: 10px;
    text-align: justify;
    font-family: calibri,arial,sans-serif;
}

.lds-ring {
  display: inline-block;
  position: relative;
  width: 40px;
  height: 40px;
}
.lds-ring div {
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 24px;
  height: 24px;
  margin: 8px;
  border: 4px solid #0080ff;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #0080ff transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}