.scrollcontainer-container {
    position: relative;
    display: inline-block;
    max-width: 600px;
    width: 100%;
}
.scrollcontainer-text-container {
    min-height: 50px;
    height: auto;
    overflow: hidden;
    position: relative;
    border: 1px solid #ccc;
    padding: 10px;
    min-width: 200px;
    width: 100%;
    background: #f9f9f9;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    box-sizing: border-box;
    z-index: 1;			
}
.scrollcontainer-text-line {
    position: absolute;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-in-out;
    text-align: center;
    line-height: 1.4;
    color: #333;
    padding: 5px;
}
.scrollcontainer-text-line a {
    color: #0066cc;
    text-decoration: none;
}
.scrollcontainer-text-line a:hover {
    text-decoration: underline;
}
.scrollcontainer-nav-arrow {
    position: absolute;
    right: -30px;
    width: 25px;
    height: 25px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    font-size: 12px;
    transition: background 0.2s;
    z-index: 5;
}
.scrollcontainer-nav-arrow:hover {
    background: #e0e0e0;
}
.scrollcontainer-nav-arrow.up {
    top: 0;
}
.scrollcontainer-nav-arrow.down {
    bottom: 0;
}