body{
    min-width: 430px;
    min-height: 680px;
    display: grid;
    place-items: center;
    height: 100vh;
    background: url(/images/fondo_login.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #fff;
}

.logo{
    position: absolute;
    width: 120px;
    height: 140px;
    top: 5%;
    left: 5%;
}

@media screen and (max-width: 1300px) {
    .logo{
        display: none;
    }
}

.minilogo{
    position:absolute;
    width: 80px;
    height: 100px;
    top: -20%;
    left: 41%;
}

@media screen and (min-width: 1300px) {
    .minilogo{
        display: none;
    }
}

.login{
    position: relative;
    width: 360px;
    height: 300px;
    padding: 20px;
    border-radius: 10px;
    background: #15171d;
}

.login:before, .login__circuit-mask{
    content: '';
    position: absolute;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 682px;
    height: 514px;
}

.login:before{
    background: url(/images/bg-circuito.svg);
}

.login__circuit-mask
{   
    display: grid;
    place-items: center;
    -webkit-mask: url(/images/bg-circuito.svg);
    mask: url(/images/bg-circuito.svg);
}

.login__circuit-mask:before{
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid #FFCC00;
    animation: onda 5s 2s infinite;
}

.login__heading{
    text-align: center;
}

@keyframes onda{
    0%{
        transform: scale(1);
    }
    50%{
        transform: scale(14);
    }
    100%{
        transform: scale(14);
    }
}

/*Formulario*/
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.form-group input {
    width: 80%;
    margin-left: 6.5%;
    margin-right: 10%;
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.form-group button {
    display: block;
    width: 86%;
    margin-left: 6.5%;
    padding: 10px;
    background-color: #4caf50;
    border: none;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    border-radius: 3px;
    cursor: pointer;
}

.form-group button:hover {
    background-color: #45a049;
}

/*Alerta*/
label.alerta{
    color: #FF3535;
    text-align: center;
    margin-bottom: 5px;
    display: none;
}

.nombre{
    color: #15171d;
}