.change{
    display: none;
}

.polygon-5{
    animation: fill-5 8s infinite;
    animation-delay: 4s;
}

@keyframes fill-5{
    0% { fill: #8D9AA8}
    50% {fill: #3E3E3D}
    100% {fill: #8D9AA8}
}

.polygon-17{
    animation: fill-17 4s infinite;
    animation-delay: 2s;
}
@keyframes fill-17{
    0% { fill: #979797}
    50% {fill: #748596}
    100% {fill: #979797}
}


.polygon-21{
    animation: fill-21 11s infinite;
    animation-delay: 1s;
}

@keyframes fill-21{
    0% { fill: #8D9AA8}
    50% {fill: #D7D7D7}
    100% {fill: #8D9AA8}
}


.polygon-10{
    animation: fill-10 5s infinite;
    animation-delay: 2s;
}

@keyframes fill-10{
    0% { fill: #585857}
    50% {fill: #D7D7D7}
    100% {fill: #585857}
}


.polygon-19{
    animation: fill-19 7s infinite;
    animation-delay: 5s;
}

@keyframes fill-19{
    0% { fill: #3E3E3D}
    50% {fill: #D7D7D7}
    100% {fill: #3E3E3D}
}

.polygon-15{
    animation: fill-15 3s infinite;
    animation-delay: 1s;
}
@keyframes fill-15{
    0% { fill: #858585}
    50% {fill: #748596}
    100% {fill: #858585}
}

.polygon-26{
    animation: fill-26 3s infinite;
    animation-delay: 1s;
}
@keyframes fill-26{
    0% { fill: #979797}
    50% {fill: #B5BCC6}
    100% {fill: #979797}
}


.polygon-23{
    animation: fill-23 9s infinite;
    animation-delay: 3s;
}
@keyframes fill-23{
    0% { fill: #3E3E3D}
    50% {fill: #FFFFFF}
    100% {fill: #3E3E3D}
}


.polygon-3{
    animation: fill-3 7s infinite;
    animation-delay: 3s;
}
@keyframes fill-3{
    0% { fill: #B5BCC6}
    50% {fill: #3E3E3D}
    100% {fill: #B5BCC6}
}