html {
  height: 100%;
}
body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: linear-gradient(#141e30, #243b55);
}

.login-box {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  padding: 40px;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
  border-radius: 10px;
}

@media (min-width: 640px) {
  .login-box {
    width: 400px;
  }
}

.login-box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}
.login-box .user-box label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: 0.5s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label {
  top: -20px;
  left: 0;
  color: #03e9f4;
  font-size: 12px;
}

.login-box form a {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #03e9f4;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: 0.5s;
  margin-top: 40px;
  letter-spacing: 4px;
}

.login-box a:hover {
  background: #03e9f4;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #03e9f4, 0 0 25px #03e9f4, 0 0 50px #03e9f4,
    0 0 100px #03e9f4;
}

.login-box a span {
  position: absolute;
  display: block;
}

.login-box a span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #03e9f4);
  animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
  0% {
    left: -100%;
  }
  50%,
  100% {
    left: 100%;
  }
}

.login-box a span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, #03e9f4);
  animation: btn-anim2 1s linear infinite;
  animation-delay: 0.25s;
}

@keyframes btn-anim2 {
  0% {
    top: -100%;
  }
  50%,
  100% {
    top: 100%;
  }
}

.login-box a span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, #03e9f4);
  animation: btn-anim3 1s linear infinite;
  animation-delay: 0.5s;
}

@keyframes btn-anim3 {
  0% {
    right: -100%;
  }
  50%,
  100% {
    right: 100%;
  }
}

.login-box a span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, #03e9f4);
  animation: btn-anim4 1s linear infinite;
  animation-delay: 0.75s;
}

@keyframes btn-anim4 {
  0% {
    bottom: -100%;
  }
  50%,
  100% {
    bottom: 100%;
  }
}

.toast {
  cursor: pointer;
  box-sizing: border-box;
  display: none;
  width: 100%;
  max-width: 640px;
  font-size: 0.825em;
  border-top-right-radius: 5px;
  border-top-left-radius: 5px;
  background: #ffffff;
  box-shadow: 0 2.8px 2.2px rgba(0, 0, 0, 0.02),
    0 6.7px 5.3px rgba(0, 0, 0, 0.028), 0 12.5px 10px rgba(0, 0, 0, 0.035),
    0 22.3px 17.9px rgba(0, 0, 0, 0.042), 0 41.8px 33.4px rgba(0, 0, 0, 0.05),
    0 100px 80px rgba(0, 0, 0, 0.07);
  transition: 0.2s ease-in;
}
@media (min-width: 640px) {
  .toast {
    border-radius: 5px;
    margin-bottom: 0.5em;
  }
}
.toast--active {
  display: flex;
  -webkit-animation: slidein--bottom 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55)
    forwards;
  animation: slidein--bottom 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55)
    forwards;
}
.toast--warning {
  background: #bf360c;
  color: white;
}
.toast--success {
  background: #43a047;
  color: white;
}
.toast__actions {
  width: 100%;
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-flow: column;
}
@media (min-width: 640px) {
  .toast__actions {
    flex-flow: row;
  }
}
.toast__trigger {
  cursor: pointer;
  box-sizing: border-box;
  flex: 1;
  padding: 1em;
  margin: 1em;
  border: 0;
  background: tomato;
  border-radius: 5px;
  color: white;
  text-transform: uppercase;
  font-weight: bold;
  transition: 0.2s ease;
}
.toast__trigger:hover {
  background: #ff3814;
}
.toast__container {
  box-sizing: border-box;
  padding: 0em 1em;
  position: fixed;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-flow: column;
  bottom: 0;
  left: 0;
  right: 0;
  align-items: center;
  justify-content: center;
}
@media (min-width: 640px) {
  .toast__container {
    padding: 0 1em;
  }
}
@media (min-width: 1024px) {
  .toast__container {
    left: initial;
    right: 0;
  }
}
.toast__icon {
  height: 60px;
  width: 60px;
  box-sizing: border-box;
  padding: 1em;
  display: none;
  align-items: center;
  justify-content: center;
}
.toast__icon svg {
  height: 100%;
}
@media (min-width: 640px) {
  .toast__icon {
    display: flex;
  }
}
.toast__icon ~ .toast__content {
  padding: 1em;
}
@media (min-width: 640px) {
  .toast__icon ~ .toast__content {
    padding: 1em 1em 1em 0;
  }
}
.toast__content {
  box-sizing: border-box;
  padding: 1em;
}
.toast__content h2 {
  margin: 0 0 0.25em 0;
  padding: 0;
  font-size: 1.2em;
}
.toast__content p {
  margin: 0;
  padding: 0;
  font-size: 1em;
}

@-webkit-keyframes slidein--bottom {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slidein--bottom {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}