body {
    background-color: #000000;
    margin: 0;
    color: #d3d3d3;
    font-family: 'Roboto', sans-serif;
}

::-moz-focus-inner {
    border: 0;
}

.form {
    margin: 50px auto;
    width: 300px;
}

.form h3 {
    background-color: #000;
    border: 2px solid #2a9fd6;
    border-radius: 5px 5px 0 0;
    color: #eee;
    font-size: 18px;
    padding: 20px;
    margin: 0;
    text-align: center;
    text-transform: uppercase;
}

fieldset {
    border: 2px solid #2a9fd6;
    border-top: none;
    margin: 0;
    background: #000;
    border-radius: 0 0 5px 5px;
    padding: 20px;
    position: relative;
}

fieldset:before {
    border-bottom: 2px solid #2a9fd6;
    border-right: 2px solid #2a9fd6;
    background-color: #000;
    content: "";
    width: 8px;
    height: 8px;
    left: 50%;
    margin: -4px 0 0 -4px;
    position: absolute;
    top: 0;
    transform: rotate(45deg) translateY(-2px);
}

.form input {
    display: block;
    font-size: 14px;
    background: #000;
    color: #d3d3d3;
    border: 1px solid #999;
    width: 226px;
    padding: 12px 12px;
    margin: auto;
    margin-bottom: 5px;
}

button {
    background: #000;
    border: 2px solid #2a9fd6;
    border-radius: 4px;
    color: #d3d3d3;
    cursor: pointer;
    display: block;
    padding: 10px 30px;
    margin: auto;
    margin-top: 20px;
    transition: background 0.25s, border-color 0.25s;
}

button:hover {
    background: #2a9fd6;
    color: #fff;
    text-decoration: none;
    outline: none;
}

button.shake {
    background: #ff6666;
    border-color: #ff6666;
    color: #fff;
    animation: shake 0.82s cubic-bezier(.36,.07,.19,.97) both;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
}

@keyframes shake {
    10%, 90% {
        transform: translate3d(-1px, 0, 0);
    }

    20%, 80% {
        transform: translate3d(2px, 0, 0);
    }

    30%, 50%, 70% {
        transform: translate3d(-4px, 0, 0);
    }

    40%, 60% {
        transform: translate3d(4px, 0, 0);
    }
}