body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  height: 100vh;
}

.mi_wallper img {
  width: 100%; /* Para que la imagen ocupe todo el espacio del contenedor */
  height: 100%; /* Para que la imagen ocupe todo el espacio del contenedor */
  position: absolute; /* Para posicionar la imagen de manera absoluta */
  top: 0; /* Posición vertical, ajusta según tu diseño */
  left: 0; /* Posición horizontal, ajusta según tu diseño */
}

.login-box {
  width: 320px;
  height: auto;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  box-sizing: border-box;
  padding: 40px 20px;
}

.login-box .avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  position: absolute;
  top: -50px;
  left: calc(50% - 50px);
}

#espacio {
  margin: 45px;
}

.login-box input[type="text"],
.login-box input[type="password"] {
  border: none;
  width: 100%;
  border-bottom: 1px solid #fff;
  background: transparent;
  outline: none;
  /*height: 20px;*/
  color: #fff;
  font-size: 16px;
}

.login-box button[type="submit"] {
  margin: 0 auto;
  width: 70%;
  border: none;
  outline: none;
  height: 40px;
  background: #39b54a;
  color: #fff;
  font-size: 18px;
  border-radius: 20px;
}

.login-box button[type="submit"]:hover {
  cursor: pointer;
  background: #0ad254;
}

.login-box a {
  text-decoration: none;
  font-size: 12px;
  line-height: 20px;
  color: darkgrey;
}

.login-box a:hover {
  color: #fff;
}
/***MY STYLE INPUTS**/
.group {
  position: relative;
  margin-bottom: 30px;
}
input {
  font-size: 18px;
  padding: 10px 10px 10px 5px;
  display: block;
  width: 300px;
  border: none;
  border-bottom: 1px solid #757575;
}
input:focus {
  outline: none;
}

/* LABEL ======================================= */
label {
  color: #fafafa;
  font-size: 18px;
  font-weight: normal;
  position: absolute;
  left: 5px;
  top: 10px;
  transition: 0.2s ease all;
  -moz-transition: 0.2s ease all;
  -webkit-transition: 0.2s ease all;
}
label:hover {
  cursor: pointer;
}

/* active state */
input:focus ~ label,
input:valid ~ label {
  top: -20px;
  font-size: 14px;
  color: #39b54a;
}

/* BOTTOM BARS ================================= */
.bar {
  position: relative;
  display: block;
  width: 250px;
}
.bar:before,
.bar:after {
  content: "";
  height: 2px;
  width: 0;
  bottom: 1px;
  position: absolute;
  background: black;
  transition: 0.2s ease all;
  -moz-transition: 0.2s ease all;
  -webkit-transition: 0.2s ease all;
}
.bar:before {
  left: 50%;
}
.bar:after {
  right: 50%;
}

/* active state */
input:focus ~ .bar:before,
input:focus ~ .bar:after {
  width: 50%;
}

/* HIGHLIGHTER ================================== */
.highlight {
  position: absolute;
  height: 60%;
  width: 100px;
  top: 25%;
  left: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* active state */
input:focus ~ .highlight {
  -webkit-animation: inputHighlighter 0.3s ease;
  -moz-animation: inputHighlighter 0.3s ease;
  animation: inputHighlighter 0.3s ease;
}

/* ANIMATIONS ================ */
@-webkit-keyframes inputHighlighter {
  from {
    background: #5264ae;
  }
  to {
    width: 0;
    background: transparent;
  }
}
@-moz-keyframes inputHighlighter {
  from {
    background: #5264ae;
  }
  to {
    width: 0;
    background: transparent;
  }
}
@keyframes inputHighlighter {
  from {
    background: #5264ae;
  }
  to {
    width: 0;
    background: transparent;
  }
}
form input:required {
  border: 5px solid yellow;
  /* otras propiedades */
}
input:invalid {
  border: 1px solid red;
}

input:valid {
  border: 1px solid green;
}
#crear {
  float: right;
}

/**error de session**/
.error_session {
  min-width: 100%;
  background-color: red;
  opacity: 0.8;
  color: #fafafa;
  text-align: center;
}
.error_session p {
  margin: 0 auto;
  padding: 2px;
  color: #fafafa;
  font-size: 12px;
  text-align: center;
  font-weight: bold;
  padding: 3px;
}
a {
  cursor: pointer;
}