body {
            font-family: "Open Sans", sans-serif;
            height: 100vh;
            background: url(../images/index/portada.jpg);
            background-size: cover;
        }
			
			@keyframes spinner {
			  0% { transform: rotateZ(0deg); }
			  100% { transform: rotateZ(359deg); }
			}
			
			* {
			  box-sizing: border-box;
			}
			
			.wrapper {
			  display: flex;
			  align-items: center;
			  flex-direction: column; 
			  justify-content: center;
			  width: 100%;
			  min-height: 100%;
			  padding: 20px;
			  background: rgba(0, 0, 0, 0.85);
			}
			
			.login {
			  border-radius: 2px 2px 5px 5px;
			  padding: 10px 20px 20px 20px;
			  width: 90%;
			  max-width: 320px;
			  background: #ffffff;
			  position: relative;
			  padding-bottom: 80px;
			  box-shadow: 0px 1px 5px rgba(0,0,0,0.3);
			}
			
			.login.loading button {
			  max-height: 100%;
			  padding-top: 50px;
			}
			
			.login.loading .spinner {
			  opacity: 1;
			  top: 40%;
			}
			
			.login.ok button {
			  background-color: #8bc34a;
			}
			
			.login.ok .spinner {
			  border-radius: 0;
			  border-top-color: transparent;
			  border-right-color: transparent;
			  height: 20px;
			  animation: none;
			  transform: rotateZ(-45deg);
			}
			
			.login input {
			  display: block;
			  padding: 15px 10px;
			  margin-bottom: 10px;
			  width: 100%;
			  border: 1px solid #ddd;
			  transition: border-width 0.2s ease;
			  border-radius: 2px;
			  color: #ccc;
			}
			
			.login input + i.fa {
			  color: #fff;
			  font-size: 1em;
			  position: absolute;
			  margin-top: -47px;
			  opacity: 0;
			  left: 0;
			  transition: all 0.1s ease-in;
			}
			
			.login input:focus + i.fa {
			  opacity: 1;
			  left: 30px;
			  transition: all 0.25s ease-out;
			}
			
			.login input:focus {
			  outline: none;
			  color: #444;
			  border-color: #2196F3;
			  border-left-width: 35px;
			}
			
			.login a {
			  font-size: 0.8em;
			  color: #2196F3;
			  text-decoration: none;
			}
			
			.login .title {
			  color: #444;
			  font-size: 1.2em;
			  font-weight: bold;
			  margin: 10px 0 30px 0;
			  border-bottom: 1px solid #eee;
			  padding-bottom: 20px;
			}
			
			.login button {
			  width: 100%;
			  height: 100%;
			  padding: 10px 10px;
			}