/* Bob Button */
@-webkit-keyframes hvr-bob {
    0% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
    50% {
        -webkit-transform: translateY(-4px);
        transform: translateY(-4px);
    }
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
}
@keyframes hvr-bob {
    0% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
    50% {
        -webkit-transform: translateY(-4px);
        transform: translateY(-4px);
    }
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
}
@-webkit-keyframes hvr-bob-float {
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
}
@keyframes hvr-bob-float {
    100% {
        -webkit-transform: translateY(-8px);
        transform: translateY(-8px);
    }
}
.hvr-bob {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
}
.hvr-bob:hover,
.hvr-bob:focus,
.hvr-bob:active {
    -webkit-animation-name: hvr-bob-float, hvr-bob;
    animation-name: hvr-bob-float, hvr-bob;
    -webkit-animation-duration: 0.3s, 1.5s;
    animation-duration: 0.3s, 1.5s;
    -webkit-animation-delay: 0s, 0.3s;
    animation-delay: 0s, 0.3s;
    -webkit-animation-timing-function: ease-out, ease-in-out;
    animation-timing-function: ease-out, ease-in-out;
    -webkit-animation-iteration-count: 1, infinite;
    animation-iteration-count: 1, infinite;
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
    -webkit-animation-direction: normal, alternate;
    animation-direction: normal, alternate;
}

/* Buzz  Button */
@-webkit-keyframes hvr-buzz {
    50% {
        -webkit-transform: translateX(3px) rotate(2deg);
        transform: translateX(3px) rotate(2deg);
    }
    100% {
        -webkit-transform: translateX(-3px) rotate(-2deg);
        transform: translateX(-3px) rotate(-2deg);
    }
}
@keyframes hvr-buzz {
    50% {
        -webkit-transform: translateX(3px) rotate(2deg);
        transform: translateX(3px) rotate(2deg);
    }
    100% {
        -webkit-transform: translateX(-3px) rotate(-2deg);
        transform: translateX(-3px) rotate(-2deg);
    }
}
.hvr-buzz {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
}
.hvr-buzz:hover,
.hvr-buzz:focus,
.hvr-buzz:active,
.container-portfolio-projects .buttons button:hover {
    -webkit-animation-name: hvr-buzz;
    animation-name: hvr-buzz;
    -webkit-animation-duration: 0.15s;
    animation-duration: 0.15s;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    background-color: var(--primary-color);
    color: #fff;
}

/* Glow */
.hvr-glow {
    display: inline-block;
    `vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: box-shadow;
    transition-property: box-shadow;
}
.hvr-glow:hover,
.hvr-glow:focus,
.hvr-glow:active {
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
}