.neon-sign {
    width: 550px;
    height: 55px;
    background: url('../picsTitle/1.jpg') no-repeat center;
    background-size: cover;
    animation: blink 5s infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    5%, 10%, 15%, 20% { opacity: 0; }
    7.5%, 12.5%, 17.5%, 22.5% { opacity: 1; }
    25% { opacity: 1; }
    60% { opacity: 1; }
}
.banner {
    width: 755px;
    height: 175px;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    border: 1px solid #666666;
    border-radius: 4px;
}
.banner-container {
    width: 755px;
    height: 175px;
    position: relative;
    filter: url(#transition);
}
.banner img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
}
.banner img.active {
    opacity: 1;
}
.audio-control {
    position: absolute;
    left: 10px;
    color: white;
    text-decoration: none;
    font-family: monospace;
    font-size: 12px;
    cursor: pointer;
    bottom: 5px;
}
.bannerContainer {
    width: 755px;
    height: 175px;
    position: relative;
    filter: url(#transition);
}