.blink {
    -webkit-animation: blink .75s linear infinite;
    -moz-animation: blink .75s linear infinite;
    -ms-animation: blink .75s linear infinite;
    -o-animation: blink .75s linear infinite;
    animation: blink .75s linear infinite;
}

@-webkit-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@-moz-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@-ms-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@-o-keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}

.marquee {
    height: 30px;
    
    overflow: hidden;
    position: relative;
}
    .marquee div {
        display: block;
        width: 200%;
        height: 30px;
        
        position: absolute;
        overflow: hidden;
        
        -webkit-animation: marquee 4s linear infinite;
        -moz-animation: marquee 4s linear infinite;
        -ms-animation: marquee 4s linear infinite;
        -o-animation: marquee 4s linear infinite;
        animation: marquee 4s linear infinite;
    }
    .marquee span {
        float: left;
        width: 50%;
    }
    
@-webkit-keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}
@-moz-keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}
@-ms-keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}
@-o-keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}
@keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}