css
/* ==============================
   BODY & BACKGROUND
============================== */

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
}

body {
    min-height: 100vh;

    background-image: url('image/moph.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 40%;
    background-attachment: fixed;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;

    font-family: "Segoe UI", sans-serif;

    overflow-x: hidden;
}


/* ==============================
   CONTAINER
============================== */

.container {
    width: calc(100% - 40px);
    max-width: 400px;

    text-align: center;

    background-color: rgba(0, 0, 0, 0.55);

    padding: 50px 30px;

    border-radius: 20px;

    color: #fdfffd;

    box-shadow: 0 0 25px rgba(0, 0, 0, 0.5);

    margin: 20px auto;

    box-sizing: border-box;

    transition: all 0.3s ease;
}

.container:hover {
    box-shadow: 0 0 35px rgba(0, 0, 0, 0.7);
    transform: translateY(-3px);
}


/* ==============================
   HEADINGS
============================== */

h1,
h2 {
    font-size: 20px;
    letter-spacing: 2px;
    font-weight: bold;
    text-transform: uppercase;

    margin: 0 0 20px 0;

    line-height: 1.4;
}


/* ==============================
   LINKS
============================== */

a.button {
    display: inline-block;

    width: 100%;

    text-decoration: none;

    background: #0c0c0c;
    color: white;

    padding: 13px 20px;

    border-radius: 8px;

    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;

    box-sizing: border-box;

    transition: background 0.3s ease;
}

a.button:hover {
    background: #021a08;
}


/* ==============================
   INPUTS / SELECT / BUTTON
============================== */

input,
select,
button {
    width: 100%;

    padding: 13px 12px;

    margin: 8px 0;

    border-radius: 8px;

    border: none;

    font-family: inherit;

    font-size: 16px;

    box-sizing: border-box;
}


/* Text inputs */

input[type="text"],
input[type="password"],
input[type="email"],
select {
    background-color: #f0f0f0;

    color: #000;

    outline: none;
}


/* Focus */

input:focus,
select:focus {
    outline: 2px solid #00a82d;
    outline-offset: 1px;
}


/* Placeholder */

input::placeholder {
    color: #666;
    font-size: 15px;
}


/* ==============================
   LOGIN BUTTON
============================== */

button {
    background-color: #0c0c0c;

    color: #fff;

    font-weight: bold;

    cursor: pointer;

    transition:
        background 0.3s ease,
        transform 0.15s ease;
}

button:hover {
    background-color: #021a08;
}

button:active {
    transform: scale(0.98);
}


/* ==============================
   TABLE
============================== */

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    min-width: 500px;

    border-collapse: collapse;

    margin-top: 20px;

    background-color: rgba(0, 0, 0, 0.55);

    color: #fff;

    border-radius: 10px;

    overflow: hidden;
}

table th,
table td {
    padding: 12px;

    border-bottom: 1px solid #444;

    text-align: left;

    white-space: nowrap;
}

table th {
    background-color: #0c0c0c;

    font-weight: bold;

    letter-spacing: 1px;
}

table tr:hover {
    background-color: rgba(0, 255, 0, 0.1);
}

table a {
    color: #00ff00;

    text-decoration: none;

    font-weight: bold;
}

table a:hover {
    text-decoration: underline;
}


/* ==============================
   TABLET
============================== */

@media screen and (max-width: 700px) {

    body {
        background-size: 55%;
    }

    .container {
        width: calc(100% - 30px);

        padding: 35px 25px;

        border-radius: 16px;
    }

    h1,
    h2 {
        font-size: 19px;
        letter-spacing: 1.5px;
    }

    input,
    select,
    button {
        font-size: 17px;

        padding: 14px 13px;

        min-height: 50px;
    }

    input::placeholder {
        font-size: 16px;
    }

    a.button {
        font-size: 17px;
        padding: 13px 20px;
    }
}


/* ==============================
   MOBILE PHONE
============================== */

@media screen and (max-width: 500px) {

    body {
        min-height: 100vh;

        background-size: 70%;

        padding: 15px 0;
    }

    .container {
        width: calc(100% - 24px);

        max-width: 400px;

        padding: 30px 18px;

        margin: 10px auto;

        border-radius: 15px;
    }

    h1,
    h2 {
        font-size: 20px;

        letter-spacing: 1px;

        margin-bottom: 18px;
    }

    input,
    select,
    button {
        width: 100%;

        min-height: 52px;

        padding: 14px 15px;

        margin: 7px 0;

        font-size: 18px;

        border-radius: 8px;
    }

    input::placeholder {
        font-size: 17px;
    }

    button {
        font-size: 18px;
        font-weight: bold;
    }

    a.button {
        width: 100%;

        padding: 14px 15px;

        font-size: 17px;
    }

    table {
        min-width: 600px;
    }

    table th,
    table td {
        padding: 11px;
        font-size: 14px;
    }
}


/* ==============================
   SMALL PHONE
============================== */

@media screen and (max-width: 380px) {

    body {
        padding: 10px 0;

        background-size: 80%;
    }

    .container {
        width: calc(100% - 16px);

        padding: 25px 14px;

        border-radius: 13px;
    }

    h1,
    h2 {
        font-size: 18px;

        letter-spacing: 0.8px;
    }

    input,
    select,
    button {
        min-height: 50px;

        padding: 13px 12px;

        font-size: 17px;
    }

    input::placeholder {
        font-size: 16px;
    }

    button {
        font-size: 17px;
    }

    a.button {
        font-size: 16px;

        padding: 13px;
    }
}