body {
    margin: 0;
    padding: 0;
    background: url(../img/Img_Login.jpg) no-repeat center top;
    background-size: cover;
    font-family: sans-serif;
    height: 100vh;
}

.login-box {
width: 320px;
height: 420px;
background: #000;
color: #fff;
top: 50%;
left: 50%;
position: absolute;
transform: translate(-50%, -50%);
box-sizing: border-box;
padding: 70px 30px;
}

.login-box .avatar {
width: 100px;
height: 100px;
border-radius: 50%;
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;
}

.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;
}

.inputEnviarDatosLogin {
border: none;
outline: none;
height: 40px;
background: #b80f22;
color: #fff;
font-size: 18px;
border-radius: 20px;
}

.inputEnviarDatosLogin:hover {
cursor: pointer;
background: #ffc107;
color: #000;
}

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

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