* {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
    transition: all 400ms linear;
}

:root{
    /*Colors*/

    /*Base*/
    --green-ogree: #001877;
    --gray-ogree: #3a3c42;
    --white-ogree: #f3f4ef;
    --red-alert: #851313;

    /*gray scale*/
    --active-gray: #333436;
    --dark-gray: #3f3f3f;
    --medium-gray: #4f4f4f;
    --light-gray: #636363;

    /*green scale*/
    --green-900: #001877;
    --green-700: #1633a8;
    --green-500: #004fb5;
    --green-300: #0030f1;
    --green-100: #0c7ef9;
}

body{
    background: var(--dark-gray);
}

.container{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.logo img{
    max-width: 280px;
    margin-bottom: 30px;
}

.login{
    background: var(--active-gray);
    width: 380px;
    padding: 20px;
    border-radius: 10px;
}

.login h1{
    font-size: 22px;
    text-align: center;
    color: var(--light-gray);;
    padding-bottom: 20px;
}
.card-login{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card-login a{
    width: 100%;
    padding: 20px;
    text-transform: uppercase;
    color: #FFF;
    font-weight: 700;
    text-align: center;
    border-radius: 10px;
    margin: 20px 0;
    background: var(--green-500);
    cursor: pointer;
}
.card-login a:hover{
    color: #FFF;
    background: var(--green-100);
}

.login form{
    width: 100%;
}
.login form span{
    color: var(--light-gray);
    padding-right: 10px;
}

.login form input{
    background: var(--light-gray);
    width: 90%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 10px;
}
.login form input::placeholder{
    color: #000;
}
.login form input:focus-visible{
    border: solid 2px var(--dark-gray);
    outline: none;
}

.login form button{
    width: 100%;
    padding: 20px;
    text-transform: uppercase;
    color: #FFF;
    font-weight: 700;
    text-align: center;
    border-radius: 10px;
    margin: 20px 0;
    background: var(--green-500);
    cursor: pointer;
}
.login form button:hover{
    background: var(--green-100);
}

.login .alert{
    background: var(--light-gray);
    padding: 10px 20px;
    border-radius: 10px;
    color: var(--red-alert);
    width: 100%;
}

/*Mobile*/
@media (min-width: 320px) and (max-width: 800px) {
    .container{
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100vh;
    }
    .logo img{
        margin-top: 80px;
    }
   }