*{
    margin: 0px;
    padding: 0px;
}
#header{
    width: 100%;
    height: 70px;
    background: black;
}
body{
    background-color: #ccc;
}
.logo{
    float: left;
    width: 150px;
    height: 40px;
    margin-left: 55px;
    margin-top: 18px;
}
.logo h3{
    float: left;
    font-size: 18px;
    letter-spacing: 1px;
    font-family:'Lora', sans-serif;
    text-decoration: none;
}
.logo > h3 > a{
    color: white;
    text-decoration: none;
}
.formulario{
    margin: 0px auto;
    text-align: center;
    margin-top: 10%;
    border: 1px solid black;
    width: 30%;
    height: auto;
    padding: 10px;
    box-shadow: 0px 0px 0px grey, 0px 0px 1px grey, 0px 5px 7px grey;
}
.block{
    width: 100%;
    margin-top:20px;

}
label,
input[type="text"],
input[type="email"],
input[type="password"]{
    width: 90%;
    padding: 3px;
    margin: 5px;
}

.register{
    margin: 0px auto;
    text-align: center;
    margin-top: 10px;
    text-transform: uppercase;
}

.login{
    margin-top: 20px;
    text-align: center;
}
.alerta-error{
    margin: 0px auto;
    text-align: center;
    margin-top: 1%;
    border: 1px solid black;
    width: 30%;
    height: auto;
    color: white;
    box-shadow: 0px 0px 0px grey, 0px 0px 1px grey, 0px 5px 7px grey;
    background-color: red;
}