:root {
    --color1: #1a4b75;
    --color2: #3e80b5;
    --color3: #bfe0f8;
    --colorblanco: white;
    ---colornegro: black;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--color1);
    margin: 0px;
    font-family: Arial, Helvetica, sans-serif;
}


form {
    width: 270px;
    margin: auto;
    margin-top: 80px;
    background-color: var(--color2);
    padding: 25px;
    text-align: center;
    border-radius: 10px;
    -webkit-box-shadow: 0px 0px 3px 3px rgba(24,69,108,1);
    -moz-box-shadow: 0px 0px 3px 3px rgba(24,69,108,1);
    box-shadow: 0px 0px 3px 3px rgba(24,69,108,1);
}

form h1 {
    color: var(--color3);
}

form input {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    margin-top: 12px;
    border: 0px;
}

form input[type="submit"] {
    background-color: var(--color3);
    color: var(--color1);
    margin-top: 23px;
    margin-bottom: 60px;
}

form a {
    color: var(--color3);
    text-decoration: none;
}

nav {
    text-align: center;
    margin-top: 25px;
}


nav a {
    color: var(--color3);
    text-decoration: none;
}

.error{
    color: orange;
}