style.css

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-drag: none;
    user-select: none;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
}

body {
    font-family: "Montserrat", sans-serif;
    overflow: hidden;
    cursor: default;
}

#pincodeSection {
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(90deg, #5374fa 7%, #ff6969 79%);
}

.container {
    /* width: calc(70% - 3rem);
    min-height: 70vh; */
    width: 70rem;
    min-height: 35rem;
    overflow: hidden;
    padding: 1.5rem;
    border: 0.5rem solid #29356cb3;
    border-radius: 0.5rem;
    background: #1e2648;
    box-shadow: 5px 5px 50px #181e3a;
}

.heading {
    padding: 1rem 0rem;
    text-align: center;
    color: #ccc;
    text-transform: capitalize;
}

.heading h1 {
    font-size: 2rem;
}

.form {
    padding: 4rem 0rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-direction: column;
    gap: 1.5rem;
    /* display: block; */
}

.form input[type="text"] {
    display: block;
    margin: auto;
    width: 50%;
    padding: 0.5rem 1.5rem;
    font-size: 1.5rem;
    line-height: 1.7;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form input[type="text"]:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgb(0 123 255 / 25%);
}

.form input[type="submit"] {
    outline: none;
    padding: 1rem 2.5rem;
    text-transform: capitalize;
    cursor: pointer;
    border: 0.2rem solid #ff6969;
    border-radius: 0.4rem;
    background: #ff6969;
    color: #ccc;
    font-size: 1.5rem;
    transition: all 0.3s;
}

.form input[type="submit"]:hover {
    background: transparent;
}

.form p {
    color: #ff6969;
    font-size: 1.2rem;
    text-transform: capitalize;
}

#loader {
    width: 100%;
    height: auto;
    animation: animatedLoader infinite ease-in-out;
    display: none;
}

@keyframes animatedLoader {
    0% {
        visibility: visible;
        opacity: 1;
    }

    15% {
        opacity: 1;
    }

    30% {
        opacity: 1;
    }

    45% {
        opacity: 1;
    }

    60% {
        opacity: 1;
    }

    75% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        visibility: hidden;
    }
}

.spinner {
    width: 15%;
    height: auto;
    margin: 10rem auto;
    text-align: center;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.spinner div {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: #ccc;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
    /* transform: scale(0); */
}

.spinner .round2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.spinner .round3 {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
}

.spinner .round4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.spinner .round5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

@keyframes sk-stretchdelay {
    0%,
    20% {
        transform: scale(0);
    }

    40%,
    60% {
        transform: scale(0.6);
    }

    80%,
    100% {
        transform: scale(0);
    }
}

.authorText {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 3%;
    color: #fff;
    padding: 1rem 0rem;
    text-align: center;
}

.authorText p {
    font-size: 1.4rem;
    text-transform: capitalize;
}

.authorText p a {
    text-decoration: none;
    color: #000;
    transition: all 0.3s;
}

.authorText p a:hover {
    text-decoration: underline;
}