.light {
    position: absolute;
    width: 0px;
    opacity: .75;
    background-color: white;
    box-shadow: #e9f1f1 0px 0px 20px 2px;
    opacity: 0;
    top: 100vh;
    bottom: 0px;
    left: 0px;
    right: 0px;
    margin: auto;
}

.x1 {
    -webkit-animation: floatUp 4s infinite linear;
    -moz-animation: floatUp 4s infinite linear;
    -o-animation: floatUp 4s infinite linear;
    animation: floatUp 4s infinite linear;
    -webkit-transform: scale(1.0);
    -moz-transform: scale(1.0);
    -o-transform: scale(1.0);
    transform: scale(1.0);
}

.x2 {
    -webkit-animation: floatUp 7s infinite linear;
    -moz-animation: floatUp 7s infinite linear;
    -o-animation: floatUp 7s infinite linear;
    animation: floatUp 7s infinite linear;
    -webkit-transform: scale(1.6);
    -moz-transform: scale(1.6);
    -o-transform: scale(1.6);
    transform: scale(1.6);
    left: 15%;
}

.x3 {
    -webkit-animation: floatUp 2.5s infinite linear;
    -moz-animation: floatUp 2.5s infinite linear;
    -o-animation: floatUp 2.5s infinite linear;
    animation: floatUp 2.5s infinite linear;
    -webkit-transform: scale(.5);
    -moz-transform: scale(.5);
    -o-transform: scale(.5);
    transform: scale(.5);
    left: -15%;
}

.x4 {
    -webkit-animation: floatUp 4.5s infinite linear;
    -moz-animation: floatUp 4.5s infinite linear;
    -o-animation: floatUp 4.5s infinite linear;
    animation: floatUp 4.5s infinite linear;
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -o-transform: scale(1.2);
    transform: scale(1.2);
    left: -34%;
}

.x5 {
    -webkit-animation: floatUp 8s infinite linear;
    -moz-animation: floatUp 8s infinite linear;
    -o-animation: floatUp 8s infinite linear;
    animation: floatUp 8s infinite linear;
    -webkit-transform: scale(2.2);
    -moz-transform: scale(2.2);
    -o-transform: scale(2.2);
    transform: scale(2.2);
    left: -57%;
}

.x6 {
    -webkit-animation: floatUp 3s infinite linear;
    -moz-animation: floatUp 3s infinite linear;
    -o-animation: floatUp 3s infinite linear;
    animation: floatUp 3s infinite linear;
    -webkit-transform: scale(.8);
    -moz-transform: scale(.8);
    -o-transform: scale(.8);
    transform: scale(.8);
    left: -81%;
}

.x7 {
    -webkit-animation: floatUp 5.3s infinite linear;
    -moz-animation: floatUp 5.3s infinite linear;
    -o-animation: floatUp 5.3s infinite linear;
    animation: floatUp 5.3s infinite linear;
    -webkit-transform: scale(3.2);
    -moz-transform: scale(3.2);
    -o-transform: scale(3.2);
    transform: scale(3.2);
    left: 37%;
}

.x8 {
    -webkit-animation: floatUp 4.7s infinite linear;
    -moz-animation: floatUp 4.7s infinite linear;
    -o-animation: floatUp 4.7s infinite linear;
    animation: floatUp 4.7s infinite linear;
    -webkit-transform: scale(1.7);
    -moz-transform: scale(1.7);
    -o-transform: scale(1.7);
    transform: scale(1.7);
    left: 62%;
}

.x9 {
    -webkit-animation: floatUp 4.1s infinite linear;
    -moz-animation: floatUp 4.1s infinite linear;
    -o-animation: floatUp 4.1s infinite linear;
    animation: floatUp 4.1s infinite linear;
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
    left: 85%;
}

button:focus { outline: none; }

@-webkit-keyframes floatUp {
    0% {
        top: 100vh;
        opacity: 0;
    }

    25% { opacity: 1; }

    50% {
        top: 0vh;
        opacity: .8;
    }

    75% { opacity: 1; }

    100% {
        top: -100vh;
        opacity: 0;
    }
}

@-moz-keyframes floatUp {
    0% {
        top: 100vh;
        opacity: 0;
    }

    25% { opacity: 1; }

    50% {
        top: 0vh;
        opacity: .8;
    }

    75% { opacity: 1; }

    100% {
        top: -100vh;
        opacity: 0;
    }
}

@-o-keyframes floatUp {
    0% {
        top: 100vh;
        opacity: 0;
    }

    25% { opacity: 1; }

    50% {
        top: 0vh;
        opacity: .8;
    }

    75% { opacity: 1; }

    100% {
        top: -100vh;
        opacity: 0;
    }
}

@keyframes floatUp {
    0% {
        top: 100vh;
        opacity: 0;
    }

    25% { opacity: 1; }

    50% {
        top: 0vh;
        opacity: .8;
    }

    75% { opacity: 1; }

    100% {
        top: -100vh;
        opacity: 0;
    }
}

@-webkit-keyframes fadeIn {
    from { opacity: 0; }

    to { opacity: 1; }
}

@-moz-keyframes fadeIn {
    from { opacity: 0; }

    to { opacity: 1; }
}

@-o-keyframes fadeIn {
    from { opacity: 0; }

    to { opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }

    to { opacity: 1; }
}

@-webkit-keyframes fadeOut {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 0; }
}

@-moz-keyframes fadeOut {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 0; }
}

@-o-keyframes fadeOut {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 0; }
}

@keyframes fadeOut {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 0; }
}

@-webkit-keyframes finalFade {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 1; }
}

@-moz-keyframes finalFade {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 1; }
}

@-o-keyframes finalFade {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 1; }
}

@keyframes finalFade {
    0% { opacity: 0; }

    30% { opacity: 1; }

    80% { opacity: .9; }

    100% { opacity: 1; }
}

.login-button a {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    color: #03e9f4;
    font-size: 16px;
    text-decoration: none;
    text-transform: uppercase;
    overflow: hidden;
    transition: .5s;
    margin-top: 40px;
    letter-spacing: 4px
}

.login-button a:hover {
    background: #03e9f4;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 0 5px #03e9f4, 0 0 25px #03e9f4, 0 0 50px #03e9f4, 0 0 100px #03e9f4;
}

.login-button a span {
    position: absolute;
    display: block;
}

    .login-button a span:nth-child(1) {
        top: 0;
        left: -100%;
        width: 100%;
        height: 2px;
        background: linear-gradient(90deg, transparent, #03e9f4);
        animation: btn-anim1 1s linear infinite;
    }

@keyframes btn-anim1 {
    0% {
        left: -100%;
    }

    50%,100% {
        left: 100%;
    }
}

.login-button a span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #03e9f4);
    animation: btn-anim2 1s linear infinite;
    animation-delay: .25s
}

@keyframes btn-anim2 {
    0% {
        top: -100%;
    }

    50%,100% {
        top: 100%;
    }
}

.login-button a span:nth-child(3) {
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #03e9f4);
    animation: btn-anim3 1s linear infinite;
    animation-delay: .5s
}

@keyframes btn-anim3 {
    0% {
        right: -100%;
    }

    50%,100% {
        right: 100%;
    }
}

.login-button a span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #03e9f4);
    animation: btn-anim4 1s linear infinite;
    animation-delay: .75s
}

@keyframes btn-anim4 {
    0% {
        bottom: -100%;
    }

    50%,100% {
        bottom: 100%;
    }
}