.content_page
{
    background-image: url('img/admin_mercasist.jpg');
    background-repeat: no-repeat;
    color: #ffffff;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.alert_login
{
    background-color: #FF4848;
    position: absolute;
    top: 0px;
    right: 10px;
    border-radius: 9px;
    z-index: 3000;
    border-box: 0px;
    box-shadow: 0px 3px 10px white;
    margin-top: 20px;
    margin-right: 35px;
   -webkit-transition: 0.9s all ease;
    -moz-transition: 0.9s all ease;
    -ms-transition: 0.9s all ease;
    -o-transition: 0.9s all ease;
    transition: 0.9s all ease;
    opacity: 1;
}

.alert_logoin span
{
    font-family: 'Quicksand', sans-serif;
    font-size: 0.9rem;
    color: #fff;
    text-align: justify;
    padding-top: 15px;
    padding-bottom: 15px;
}

.close_alert
{
    background-color: #FF7575;
    padding: 15px;
    border-top-right-radius: 9px;
    border-bottom-right-radius: 9px;
    color: white;
    user-select: none;
    text-decoration: none;
}

.icono_admin
{
    display: block;
    margin: 10px auto;
}

.form_login
{
    width: 400px;
    padding: 20px 25px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0px 7px 12px white;
    opacity: 0.8;
    overflow: hidden;
    position: relative;
}

.disabled_form
{
    pointer-events: none;
    opacity: 0.5;
}

.content_login
{
    position: relative;
    margin: 0px;
}

.content_login input
{
    display: block;
    width: 100%;
    border: 2px solid #ccc;
    border-radius: 4px;
    padding: 12px;
    background: transparent;
    box-sizing: border-box;
    outline: none;
    font-weight: 300;
    background-color: #fff;
    appearance: textfield;
    border: 1px solid #111;
}

.content_login span
{
    position: absolute;
    top: 3px;
    left: 12px;
    display: inline-block;
    color: #111;
    font-weight: 300;
    transition: 0.5s;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    padding: 12px;
    pointer-events: none;
}


.content_login input:focus,
.content_login input:valid
{
    border: 2px solid  #f1c40f;
}

.content_login input:focus ~ span,
.content_login input:valid ~ span
{
    
    transform: translateX(2px) translateY(-18px);
    background: white;
    font-size: 0.9rem;
    color:  #f1c40f;
    padding: 6px 12px;
}

.btn_submit
{
    border: 0px;
    box-shadow: 0px 3px 10px #5f6a6a;
    background-color:  #111;
    display: block;
    border-radius: 9px;
    font-family: 'Ubuntu', sans-serif;
    font-weight: bold;
    font-size: 1rem;
    color: #fff;
    width: 100%;
    margin: 30px auto;
    margin-top: 45px;
    padding-top: 10px;
    padding-bottom: 10px;
    outline: none;
}

.btn_submit:focus,
.btn_submit:hover
{
    background-color:  #f1c40f;
    transitio: all 0.1s ease;
    outline: none;
    color: #111;
}


@media screen and (max-width: 480px) 
{
    .form_login
    {
        width: 95%;
    }
}

@media screen and (min-width: 481px) and (max-width: 540px)
{
    .form_login
    {
        width: 95%;
    }
}

@media screen and (min-width: 541px) and (max-width: 780px)
{
    .form_login
    {
        width: 95%;
    }
}

@media screen and (min-width: 781px) and (max-width: 1023px)
{
    .form_login
    {
        width: 95%;
    }
}