body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    /*background-color: #1C2833;*/
    background-color: black;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
}
.box {
    width: 300px;
    padding: 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: #191919;
    text-align: center;
    box-shadow: -1px 92px 99px -62px rgba(3, 107, 255, 0.27), 0 1px 6px 0 rgba(10, 48, 255, 0.48);
    border-radius: 5px;
}
    .box h1 {
        color: white;
        text-transform: uppercase;
        font-weight: 500;
        display: block;
        font-size: 2em;
        margin-block-start: 0.67em;
        margin-block-end: 0.67em;
        margin-inline-start: 0px;
        margin-inline-end: 0px;
        /*font-weight: bold;*/
    }
    .box input[type = "text"], .box input[type = "password"] {
        border: 0;
        background: none;
        display: block;
        margin: 20px auto;
        text-align: center;
        border: 2px solid #3498db;
        padding: 14px 10px;
        width: 200px;
        outline: none;
        color: white;
        border-radius: 24px;
        transition: 0.25s;
    }

    .box a {
        border: 0;
        background: none;
        display: block;
        margin: 20px auto;
        text-align: center;
        border: 2px solid #3498db;
        padding: 14px 10px;
        width: 200px;
        outline: none;
        color: white;
        border-radius: 24px;
        transition: 0.25s;
        width: 10%;
    }
    .box input[type = "submit"] {
        border: 0;
        background: none;
        display: block;
        margin: 20px auto;
        text-align: center;
        border: 2px solid #2ecc71;
        padding: 14px 40px;
        outline: none;
        color: white;
        border-radius: 24px;
        transition: 0.25s;
        cursor: pointer;
        text-decoration:none;
    }

    .box a[type = "submit"] {
        border: 0;
        background: none;
        display: block;
        margin: 20px auto;
        text-align: center;
        border: 2px solid #2ecc71;
        padding: 14px 40px;
        outline: none;
        color: white;
        border-radius: 24px;
        transition: 0.25s;
        cursor: pointer;
        text-decoration: none;
    }

    .box input[type = "submit"]:hover {
        background: #2ecc71;
    }

    .box a[type = "submit"]:hover {
        background: #2ecc71;
    }

    .box input[type = "text"]:focus, .box input[type = "password"]:focus {
        width: 280px;
        -webkit-animation: 9s colorChange alternate;
        -moz-animation: 9s colorChange alternate;
        -o-animation: 9s colorChange alternate;
        animation: 9s colorChange alternate;
        transition height 0.3s, width 0.3s 0.1s input:focus ~ .border
    }

/*h1 {
    display: block;
    font-size: 2em;
    margin-block-start: 0.67em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}*/

/*@-webkit-keyframes colorChange {
    0% {
        border-color: #007bff;
    }

    5% {
        border-color: #6610f2;
    }

    10% {
        border-color: #6f42c1;
    }

    15% {
        border-color: #e83e8c;
    }

    20% {
        border-color: #dc3545;
    }

    25% {
        border-color: #fd7e14;
    }

    30% {
        border-color: #ffc107;
    }

    35% {
        border-color: #28a745;
    }

    40% {
        border-color: #20c997;
    }

    45% {
        border-color: #17a2b8;
    }

    50% {
        border-color: #6c757d;
    }

    55% {
        border-color: #343a40;
    }

    60% {
        border-color: #007bff;
    }

    65% {
        border-color: #6c757d;
    }

    70% {
        border-color: #28a745;
    }

    75% {
        border-color: #17a2b8;
    }

    80% {
        border-color: #ffc107;
    }

    85% {
        border-color: #dc3545;
    }

    90% {
        border-color: #343a40;
    }

    95% {
        border-color: #28a745;
    }

    100% {
        border-color: #20c997;
    }
}
*/

@keyframes colorChange {
    0% {
        border-color: #007bff;
    }

    5% {
        border-color: #6610f2;
    }

    10% {
        border-color: #6f42c1;
    }

    15% {
        border-color: #e83e8c;
    }

    20% {
        border-color: #dc3545;
    }

    25% {
        border-color: #fd7e14;
    }

    30% {
        border-color: #ffc107;
    }

    35% {
        border-color: #28a745;
    }

    40% {
        border-color: #20c997;
    }

    45% {
        border-color: #17a2b8;
    }

    50% {
        border-color: #6c757d;
    }

    55% {
        border-color: #343a40;
    }

    60% {
        border-color: #007bff;
    }

    65% {
        border-color: #6c757d;
    }

    70% {
        border-color: #28a745;
    }

    75% {
        border-color: #17a2b8;
    }

    80% {
        border-color: #ffc107;
    }

    85% {
        border-color: #dc3545;
    }

    90% {
        border-color: #343a40;
    }

    95% {
        border-color: #28a745;
    }

    100% {
        border-color: #20c997;
    }
}