#animation{
    width:80%;
    height:100px;
    background-color:#047285;
    color:white;
    animation-name:animation1;
    animation-duration:10s;
}

@keyframes animation1{
    0% {background-color:#047285; color:white;}
    25% {background-color:#0496B0; color: #70E4FF;}
    50% {background-color:#00D0FF; color: #00D0FF;}
    75% {background-color:#70E4FF; color:#0496B0;}
    100% {background-color:white; color:#047285;}
}