.question{
    animation: color-change 2s infinite;
}

.question2{
    animation: sus 5s infinite;
}

@keyframes color-change{
    0%{
        color:greenyellow;
    }
    50%{
        color:aqua;
    }
    100%{
        color:lightgreen;
    }
}

@keyframes sus {
    0%{
        color:red
    }
    5.555%{
        color:blue
    }
    11%{
        color:green
    }
    16.5555%{
        color:pink
    }
    21%{
        color:orange
    }
    26.555%{
        color:yellow
    }
    31%{
        color: black;
    }
    36.5%{
        color:white
    }
    41%{
        color: purple;
    }
    46.5%{
        color: cyan;
    }
    51%{
        color: lime;
    }
}

.main{
    padding-top: 25%; background-color: black;
}