Код:
 .chatTitle{
    z-index: 1000;
    position: center;
    bottom: 3px;
    left: 0px;
    width: 100%;
    text-align: center;
font-size: 20px;
    opacity: 0;
    -webkit-animation: textAnimation 20s linear infinite 0s;
    -moz-animation: textAnimation 20s linear infinite 0s;
    -o-animation: textAnimation 20s linear infinite 0s;
    -ms-animation: textAnimation 20s linear infinite 0s;
    animation: textAnimation 20s linear infinite 0s;
    list-style-type:none;
}


.text-animation li:nth-child(2){
    -webkit-animation-delay: 4s;
    -moz-animation-delay: 4s;
    -o-animation-delay: 4s;
    -ms-animation-delay: 4s;
    animation-delay: 4s;
}
.text-animation li:nth-child(3){
    -webkit-animation-delay: 8s;
    -moz-animation-delay: 8s;
    -o-animation-delay: 8s;
    -ms-animation-delay: 8s;
    animation-delay: 8s;
}
.text-animation li:nth-child(4){
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    -ms-animation-delay: 12s;
    animation-delay: 12s;
}
.text-animation li:nth-child(5){
    -webkit-animation-delay: 16s;
    -moz-animation-delay: 16s;
    -o-animation-delay: 16s;
    -ms-animation-delay: 16s;
    animation-delay: 16s;
}
.text-animation li:nth-child(6){
    -webkit-animation-delay: 20s;
    -moz-animation-delay: 20s;
    -o-animation-delay: 20s;
    -ms-animation-delay: 20s;
    animation-delay: 20s;
}
@-webkit-keyframes textAnimation { 
    0% {
        opacity: 0;
        -webkit-transform: translateX(200px);
    }
    8% {
        opacity: 1;
        -webkit-transform: translateX(0px);
    }
    17% {
        opacity: 1;
        -webkit-transform: translateX(0px);
    }
    19% {
        opacity: 0;
        -webkit-transform: translateX(-300px);
    }
    25% { opacity: 0 }
    100% { opacity: 0 }
}
@-moz-keyframes textAnimation { 
    0% {
        opacity: 0;
        -moz-transform: translateX(200px);
    }
    8% {
        opacity: 1;
        -moz-transform: translateX(0px);
    }
    17% {
        opacity: 1;
        -moz-transform: translateX(0px);
    }
    19% {
        opacity: 0;
        -moz-transform: translateX(-300px);
    }
    25% { opacity: 0 }
    100% { opacity: 0 }
}
@-o-keyframes textAnimation { 
    0% {
        opacity: 0;
        -o-transform: translateX(200px);
    }
    8% {
        opacity: 1;
        -o-transform: translateX(0px);
    }
    17% {
        opacity: 1;
        -o-transform: translateX(0px);
    }
    19% {
        opacity: 0;
         -o-transform: translateX(-300px);
    }
    25% { opacity: 0 }
    100% { opacity: 0 }
}
@-ms-keyframes textAnimation { 
    0% {
        opacity: 0;
        -ms-transform: translateX(200px);
    }
    8% {
        opacity: 1;
        -ms-transform: translateX(0px);
    }
    17% {
        opacity: 1;
        -ms-transform: translateX(0px);
    }
    19% {
        opacity: 0;
        -ms-transform: translateX(-300px);
    }
    25% { opacity: 0 }
    100% { opacity: 0 }
}
@keyframes textAnimation { 
    0% {
        opacity: 0;
        transform: translateX(200px);
    }
    8% {
        opacity: 1;
        transform: translateX(0px);
    }
    17% {
        opacity: 1;
        transform: translateX(0px);
    }
    19% {
        opacity: 0;
        transform: translateX(-300px);
    }
    25% { opacity: 0 }
    100% { opacity: 0 }
}