body {
  --bg-outer-color: #041d35;
  --bg-inner-color: #113860;
  background: var(--bg-outer-color);
  background: -moz-radial-gradient(center, circle cover, #113860 0%, #041d35 100%);
  background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #113860), color-stop(100%, #041d35));
  background: -webkit-radial-gradient(center, circle cover, #113860 0%, #041d35 100%);
  background: -o-radial-gradient(center, circle cover, #113860 0%, #041d35 100%);
  background: -ms-radial-gradient(center, circle cover, #113860 0%, #041d35 100%);
  background: radial-gradient(center, circle cover, #113860 0%, #041d35 100%);
  margin: 0;
  min-height: 100vh;
}

.no-slides__form {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
}

#progress {
  position: fixed;
  background: var(--bg-outer-color);
  height: 100vh;
  width: 0;
  transition: width .2s ease-in-out;
  z-index: 100;
  top: 0;
  left: 0;
  z-index: 100;
}

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

.flex-column {
  flex-direction: column;
  ;
}

#register {
  background: #fff;
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: .5rem;
  padding: 2px 15px 20px 15px;
  box-shadow: 0 16px 24px 2px rgba(0, 0, 0, .14), 0 6px 30px 5px rgba(0, 0, 0, .12), 0 8px 10px -5px rgba(0, 0, 0, .3);
  transition: transform .1s ease-in-out;
  z-index: 101;
}

#register.close {
  width: 0;
  padding: 0;
  overflow: hidden;
  transition: .8s ease-in-out;
  box-shadow: 0 16px 24px 2px transparent;
}

.next {
  position: absolute;
  right: 20px;
  bottom: 10px;
  font-size: 40px;
  color: #25a3ff;
  float: right;
  cursor: pointer;
}

.next:hover {
  color: #333;
}

.wrong .next {
  color: #ff2d26;
}

.close .next {
  color: #fff;
}

#inputContainer {
  position: relative;
  opacity: 0;
  margin-top: 25px;
  transition: opacity .3s ease-in-out;
  color: #333;
}

#inputContainer input {
  width: 100%;
  padding: 0 5px;
  border: none;
  font-size: 1em;
  font-weight: 700;
  outline: 0;
  background: 0 0;
  box-shadow: none;
}

#inputLabel {
  position: absolute;
  pointer-events: none;
  top: 0;
  left: 0;
  font-size: 1em;
  font-weight: 700;
  padding: 0 5px;
  transition: .2s ease-in-out;
}

#inputContainer input:valid+#inputLabel {
  top: -15px;
  font-size: 11px;
  font-weight: 400;
  color: #9e9e9e;
}

#inputProgress {
  position: absolute;
  border-bottom: 2px solid #25a3ff;
  padding: 3px 0;
  width: 0;
  transition: width .6s ease-in-out;
}

.wrong #inputProgress {
  border-color: #ff2d26;
}

a,
a:visited {
  color: #25a3ff;
  text-decoration: none;
  opacity: 0.5;
}

a:hover {
  opacity: 0.8;
}

p.about {
  color: rgba(255, 255, 255, 0.3);
  position: fixed;
  bottom: 2em;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 200;
  font-size: 12px;
}