.upload-btn {
    display: flex;
    align-items: center;
    padding: 15px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    background-color: #f9f9f9;
    cursor: pointer;
    color: #757575;
    font-family: sans-serif;
    transition: all 0.2s ease;
    width: 100%;
}

.upload-btn:hover {
    background-color: #f0f0f0;
    border-color: #ccc;
}

.plus-icon {
    margin-right: 10px;
    font-size: 20px;
    line-height: 1;
}