#explosion {
    position: fixed;
    width: 100%;
    height: 100%;
    background: url('/ValidaOT/img/explosion.gif') center/cover no-repeat;
    animation: explode 3s ease-out;
    z-index: 9999;
}

@keyframes explode {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    100% {
        transform: scale(10);
        opacity: 0;
    }
}

#imgLogIn {
    margin-top: -70px;
}

nav {
    position: absolute;
    left: 15%;
    top: 0;
    font-size: 15px;
    /*background-color: #e4e2e2;*/
    background-color: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    text-decoration: none;
}

.menu a {
    text-decoration: none;
    color: #333;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.menu a:hover {
    color: #007bff;
}

footer {
    bottom: -10px;
    background-color: transparent;
    padding: 20px;
    text-align: center;
    font-family: Arial, sans-serif;
    color: #666;
    font-size: 12px;
    position: relative;
    bottom: 0;
}

body {
    margin: 150px;
    background-image: url("/ValidaOT/img/fondo.jpg");
    background-size: 100%;
    font-family: 'Cabin', sans-serif;
    background-color: #FFF;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-size: 1.5rem;
    align-content: center;
}

label {
    text-align: center;
    color: black;
}

input {
    font-family: 'Cabin', sans-serif;
    appearance: none;
    border: none;
    outline: none;
    border-bottom: .2em solid #0077F8;
    background: transparent;
    border-radius: .2em .2em 0 0;
    padding: .4em;
    color: #0077F8;
    text-align: center;
    margin-left: 20px;
}

button {
    font-family: 'Cabin', sans-serif;
    appearance: none;
    border: .2em solid #0077F8;
    background: transparent;
    padding: .85em 1.5em;
    color: #000;
    border-radius: 2em;
    transition: 1s;

    &:hover,
    &:focus,
    &:active {
        background: #A2CEFD;
        color: #000;
    }
}