* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}


body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: url(imges/Astronomy.jpg) no-repeat;
    background-size: 100% 100%;
    background-position: center;
}

.su {
    width: 420px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    color: #fff;
    border-radius: 10px;
    padding: 30px 40px;
}

.su h1 {
    font-size: 36px;
    text-align: center;
}

.su .input-box {
    position: relative;
    width: 100%;
    height: 50px;
    /* background: salmon ; */
    margin: 30px 0;
}

.input-box input {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 40px;
    font-size: 16px;
    color: #fff;
    padding: 20px 45px 20px 20px;
}

.input-box input::placeholder {
    color: #fff;
}

.input-box i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
}

.su .remember-box {
    display: flex;
    justify-content: space-between;
    font-size: 14.5px;
    margin: 15px 0 5px;
}

.remember-box label input {
    accent-color: #fff;
    margin-right: 3px;
}


.remember-box a {
    color: #fff;
    text-decoration: none;
}


.remember-box a:hover {
    text-decoration: underline;
}

.btn {
    width: 100%;
    height: 45px;
    background: #fff;
    border: none;
    outline: none;
    border-radius: 40px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    cursor: pointer;
    font-size: 16px;
    color: #333;
    font-size: large;
}

.su .sing-link {
    font-size: 14.5px;
    text-align: center;
    margin: 20px 0 15px;
}

.su .sing-link p a {
    color: #fff;
    text-decoration: none;
    /* font-size: 15px; */
}

.su .sing-link p a:hover {
    text-decoration: underline;
}


/* ============================= */
/* Responsive Design */
/* ============================= */

/* Tablets */
@media (max-width: 768px) {

    .su {
        width: 80%;
        max-width: 420px;
        padding: 30px;
    }

    .su h1 {
        font-size: 32px;
    }
}

/* Mobile */
@media (max-width: 480px) {

    body {
        padding: 15px;
        background-size: 100% 100%;
        background-attachment: fixed;
    }

    .su {
        width: 100%;
        max-width: 380px;
        padding: 25px 20px;
    }

    .su h1 {
        font-size: 28px;
    }

    .su .input-box {
        height: 48px;
        margin: 25px 0;
    }

    .input-box input {
        font-size: 14px;
        padding: 15px 45px 15px 18px;
    }

    .su .remember-box {
        font-size: 12px;
        gap: 10px;
        flex-wrap: wrap;
    }

    .btn {
        height: 43px;
    }

    .su .sing-link {
        font-size: 13px;
    }
}

/* Very Small Mobile */
@media (max-width: 350px) {

    .su {
        padding: 20px 15px;
    }

    .su .remember-box {
        font-size: 11px;
    }

    .input-box input {
        font-size: 13px;
    }
}

/* Keep Login Page Fixed on Mobile */
@media (max-width: 480px) {

    html,
    body {
        width: 100%;
        height: 100%;
        min-height: 100%;
        overflow: hidden;
    }

    body {
        min-height: 100vh;
        min-height: 100dvh;
        padding: 10px;
        justify-content: center;
        align-items: center;
    }

    .su {
        max-height: calc(100dvh - 20px);
        overflow-y: auto;
    }
}