body {
    background-color: #0760BE;
    background: linear-gradient(to right, #0760BE, #33AEFF);
    color: white;
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: 1.5rem;
}

.imagen img {
    width: calc(100% - 100px);
    max-width: 60%;
    height: auto;
    display: block;
    margin: 0 auto;
}

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

.botones {
    margin-top: 20px;
}

.botones a button {
    background-color: #f50000; 
    border:none;
}

.error-message {
    color: red; 
    margin-top: 15px; 
    margin-bottom: 15px;
}

@media (max-width: 1250px) {
    .imagen img {
        width: calc(100% - 100px);
        max-width: 85%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 1199px) {
    .imagen img {
        width: calc(100% - 100px);
        max-width: 95%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .imagen img {
        width: calc(100% - 100px);
        max-width: 90%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .btn-xl {
        padding: 1rem;
        font-size: 1rem;
    }

    .imagen img {
        width: calc(100% - 100px);
        max-width: 95%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 400px) {
    .imagen img {
        width: calc(100% - 8px);
        max-width: 98%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
}