body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(180deg, #f3f8fa, #cccccc);
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.col-md-6 {
    flex: 0 0 90%;
    max-width: 90%;
}

.mt-5 {
    margin-top: 3rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.card {
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background-color: #fff;
    box-sizing: border-box;
    margin: 1rem 0;
}

.card-header {
    background-color: #fff;
    color: #888888;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 1rem;
    text-align: center;
}

.card-body {
    padding: 1.5rem;
    color: #888888;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    text-align: center;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: #66a6ff;
    border-color: #66a6ff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #548cd4;
    border-color: #548cd4;
}

.w-100 {
    width: 100%;
}

.rounded-logo {
    top: 10px;
    position: absolute;
    height: 50px;
    vertical-align: middle;
    margin-top: 15px;
    margin-right: 15px;
    right: 10px;
    border-radius: 20%;  
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);  
}

@media (max-width: 800px) {
    .rounded-logo {
        top: 0px;
        position: relative;
        height: 50px;
        vertical-align: middle;
        margin-top: 0px;
        margin-right: 0px;
        right: 0px;
        border-radius: 20%;  
        box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);  
    }
}