body {
    background-color: #f5f7fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h1 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
}

.alert-heading {
    font-size: 1.5rem;
}

.timeline {
    margin: 40px 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e0e0e0;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: relative;
    z-index: 1;
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: #fff;
    border: 2px solid #ddd;
    border-radius: 50%;
    text-align: center;
    line-height: 56px;
    font-size: 24px;
    color: #555;
    margin-right: 20px;
    flex-shrink: 0;
}

.timeline-content {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    flex-grow: 1;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -9px;
    width: 18px;
    height: 18px;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 50%;
    z-index: 0;
}

.timeline-content h5 {
    margin-top: 0;
    color: #333;
}

.timeline-content p {
    margin-bottom: 10px;
    color: #555;
}

.timeline-content p i {
    margin-right: 8px;
    color: #888;
}

@media (max-width: 575px) {
    .timeline::before {
        left: 15px;
    }

    .timeline-icon {
        width: 50px;
        height: 50px;
        min-width: 50px;
        line-height: 46px;
        font-size: 20px;
        margin-right: 15px;
    }

    .timeline-content {
        padding: 15px;
    }

    .timeline-content::before {
        left: -8px;
        top: 15px;
        width: 16px;
        height: 16px;
    }
}

body {
    background-color: #f5f7fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h1 {
    font-size: 2rem;
    margin-top: 50px;
    color: #333;
}

.lead {
    font-size: 1.25rem;
    color: #555;
}

.form-group label {
    font-weight: bold;
    color: #333;
}

.input-group .form-control {
    border-radius: 0;
    box-shadow: none;
}

.input-group .input-group-append .btn {
    border-radius: 0;
    box-shadow: none;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0069d9;
    border-color: #0062cc;
}

@media (max-width: 575px) {
    h1 {
        font-size: 1.5rem;
        margin-top: 30px;
    }

    .lead {
        font-size: 1rem;
    }
}