body {
    width: 100%;
    height: 100%;
    position: fixed;
    background-color: #34495e;
}
.content {
    width: 237px;
    font-size: 36px;
    line-height: 40px;
    font-family: 'Muli';
    color: #ecf0f1;
    height: 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -15px;
    margin-left: -118px;
}
.content:before {
    content: '[';
    position: absolute;
    left: -30px;
    line-height: 40px;
}
.content:after {
    content: ']';
    position: absolute;
    right: -30px;
    line-height: 40px;
}
.content:after,
.content:before {
    color: #16a085;
    font-size: 42px;
    animation: 4s linear 0s normal none infinite opacity;
    -webkit-animation: 4s ease-out 0s normal none infinite opacity;
    -moz-animation: 4s ease-out 0s normal none infinite opacity;
    -o-animation: 4s ease-out 0s normal none infinite opacity;
}
.visible {
    float: left;
    font-weight: 600;
    overflow: hidden;
    height: 40px;
}
p {
    display: inline;
    float: left;
    margin: 0;
}
ul {
    margin-top: 0;
    padding-left: 110px;
    text-align: left;
    list-style: none;
    animation: 6s linear 0s normal none infinite change;
    -webkit-animation: 6s linear 0s normal none infinite change;
    -moz-animation: 6s linear 0s normal none infinite change;
    -o-animation: 6s linear 0s normal none infinite change;
}
ul li {
    line-height: 40px;
    margin: 0;
}
@-webkit-keyframes opacity {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
@keyframes opacity {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
@-webkit-keyframes change {
    0% {
        margin-top: 0;
    }
    15% {
        margin-top: 0;
    }
    25% {
        margin-top: -40px;
    }
    40% {
        margin-top: -40px;
    }
    50% {
        margin-top: -80px;
    }
    65% {
        margin-top: -80px;
    }
    75% {
        margin-top: -40px;
    }
    85% {
        margin-top: -40px;
    }
    100% {
        margin-top: 0;
    }
}
@keyframes change {
    0% {
        margin-top: 0;
    }
    15% {
        margin-top: 0;
    }
    25% {
        margin-top: -40px;
    }
    40% {
        margin-top: -40px;
    }
    50% {
        margin-top: -80px;
    }
    65% {
        margin-top: -80px;
    }
    75% {
        margin-top: -40px;
    }
    85% {
        margin-top: -40px;
    }
    100% {
        margin-top: 0;
    }
}