body {
  margin: 0;
  padding: 0;
  background: url(../recursos/imagenes/fondocel7.jpg) no-repeat center top;
  background-size: cover;
  height: 100vh;
  opacity: 0.9;
}

.login-box {
  border-radius: 15px;
  box-shadow: -1px -1px 6px 0 rgb(122, 221, 102), 4px 4px 16px 2px rgb(92, 162, 235);*/
  /*box-shadow: -1px -1px 6px 0 rgb(92, 162, 235), 4px 4px 16px 2px rgb(209, 102, 221);*/
  width: 320px;
  height: 380px;
  background: #000;
  color: #fff;
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  box-sizing: border-box;
  padding: 70px 30px;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
}

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

.login-box h1 {
  margin: 0;
  padding: 0 0 20px;
  text-align: center;
  font-size: 22px;
}

.login-box label {
  margin: 0;
  padding: 0;
  font-weight: bold;
  display: block;
  font-size: 16px;
}

.login-box input {
  width: 100%;
  margin-bottom: 20px;
}

.login-box input[type="text"], .login-box input[type="password"] {
  border: none;
  border-bottom: 1px solid #fff;
  background: transparent;
  outline: none;
  height: 40px;
  color: #fff;
  font-size: 16px;
}

.login-box input[type="button"] {
  border: none;
  outline: none;
  height: 40px;

  font-size: 18px;
  border-radius: 20px;
}

.login-box input[type="button"]:hover {
  cursor: pointer;
  background: gray;
  color: #fff;
  border: 2px solid white;
}

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

.login-box a:hover {
  color: #fff;
}