html {
    background-size: cover;
    background-repeat: no-repeat;   
}

.liveback {
    /*min-width: 100%;
    min-height: 100%;
    -webkit-transition: opacity 1.5s linear;
    transition: opacity 1.5s linear;*/
    border-radius: 0px;
}

img {
    border-radius: 10px;
    height: 200px;
    width: 150px;
    margin-left: 0px;
}

button {
    color:deepskyblue;
    background-color:orange;
    border:none;
    border-radius:10px;
}

video {
    border-radius:30px;
}

.coverW {
    width: 100%;
}

.scrolling {
    width: 450px;
    line-height: 50px;
    /*background-color: red;*/
    white-space: nowrap;
    overflow: hidden;
    /*box-sizing: border-box;*/
}
.scrolling {
    display: inline-block;
    padding-left: 60%;
    animation: scrolling 15s linear infinite;
}
@keyframes scrolling {
    0%   { transform: translate(40%, 0); }
    100% { transform: translate(-100%, 0); }
}

@media only screen and (max-width:1000px) {
    .liveback {
        display:none;
    }
}