CSS keyframes fade in transitions and animation syntax.css

.fadeinDown {
    -webkit-animation: fadeInDown 500ms ease-in-out; /* Chrome, Safari, Opera */
    animation: fadeInDown 500ms ease-in-out;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes fadeInDown {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-40px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

/* Standard syntax */
@keyframes fadeInDown {
    0% {
        opacity: 0;
        transform: translateY(-40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeinUp {
    -webkit-animation: fadeInUp 500ms ease-in-out; /* Chrome, Safari, Opera */
    animation: fadeInUp 500ms ease-in-out;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes fadeInUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(40px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

/* Standard syntax */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInLeft {
    -webkit-animation: fadeInLeft 500ms ease-in-out; /* Chrome, Safari, Opera */
    animation: fadeInLeft 500ms ease-in-out;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes fadeInLeft {
    0% {
        opacity: 0;
        -webkit-transform: translateX(80px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

/* Standard syntax */
@keyframes fadeInLeft {
    0% {
        opacity: 0;
        transform: translateX(80px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInRight {
    -webkit-animation: fadeInRight 500ms ease-in-out; /* Chrome, Safari, Opera */
    animation: fadeInRight 500ms ease-in-out;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes fadeInRight {
    0% {
        opacity: 0;
        -webkit-transform: translateX(-80px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

/* Standard syntax */
@keyframes fadeInRight {
    0% {
        opacity: 0;
        transform: translateX(-80px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

Saved me a ton of time, thanks!