* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 250vh;
}

.box {
    height: 250vh;
    width: 60%;
    padding: 20px;
    background-color:lightcoral;
    border-radius: 8px;
    box-shadow: 3px 8px 30px black;
}

.head {
    text-align: center;
    margin-top: 30px;
}

.head h1 {
    color: rgba(93, 22, 207, 0.795);
    text-decoration: underline;
    font-size: 4em;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-weight: bold;
}

.head h1:hover {
    text-decoration: underline rgba(243, 21, 88, 0.733);
    cursor: pointer;
    color:lightcoral;
    text-shadow: 1px 1px 2px blue;
}

.head3 {
    line-height: 13rem;
    text-align: center;
    font-size: 2em;
}
.head3:hover{
    color: cyan;
}
.name ::placeholder {
    text-align: center;
    color: darkblue;
    font-size: medium;
}

.name {
    text-align: center;
}

.name input {
    height: 30px;
    width: 50%;
    margin: 30px;
}
.name input:hover
{
    color:cornsilk;
}
.btn {
    margin-top: 150px;
    text-align: center;
}
.btn:hover{
    color: fuchsia;
}

.btn button {
    height: 40px;
    width: 20%;
    background-color: rgb(0, 0, 0);
    color:deeppink;
    border-radius: 8px;
    box-shadow: 1px 7px 11px rgb(89, 24, 211);
}

/*  */
@media (min-width: 1200px) {
    .box {
        width: 50%; /* Adjust width for large screens */
    }

    .head h1 {
        font-size: 5em; /* Larger font size */
    }

    .head3 {
        font-size: 2.5em; /* Larger font size */
    }

    .name input {
        width: 40%; /* Slightly smaller input width */
    }

    .btn button {
        width: 15%; /* Smaller button width */
    }
}

/* Media query for tablets and medium screens */
@media (max-width: 1199px) and (min-width: 768px) {
    .box {
        width: 60%; /* Adjust width for medium screens */
    }

    .head h1 {
        font-size: 3em; /* Adjust font size */
    }

    .head3 {
        font-size: 2em; /* Adjust font size */
    }

    .name input {
        width: 60%; /* Adjust input width */
    }

    .btn button {
        width: 25%; /* Adjust button width */
    }
}

/* Media query for small screens */
@media (max-width: 767px) {
    .main {
        flex-direction: column;
        align-items: center;
        height: auto; /* Adjust height for small screens */
    }

    .box {
        width: 90%; /* Full width for small screens */
        height: auto; /* Adjust height */
        padding: 15px; /* Adjust padding */
    }

    .head h1 {
        font-size: 2em; /* Smaller font size */
    }

    .head3 {
        font-size: 1.5em; /* Smaller font size */
        line-height: 1.5rem; /* Adjust line height */
    }

    .name input {
        width: 80%; /* Adjust input width */
        margin: 20px 0; /* Adjust margin */
    }

    .btn {
        margin-top: 50px; /* Adjust margin */
    }

    .btn button {
        width: 70%; /* Adjust button width */
        padding: 10px; /* Adjust padding */
    }
}

/* Media query for very small screens */
@media (max-width: 480px) {
    .head h1 {
        font-size: 1.5em; /* Smaller font size for very small screens */
    }

    .head3 {
        font-size: 1em; /* Smaller font size */
        line-height: 1.2rem; /* Adjust line height */
    }

    .name input {
        width: 90%; /* Full width for input on very small screens */
    }

    .btn button {
        width: 90%; /* Full width for button on very small screens */
    }
}

/* Media query for ultra-small screens */
@media (max-width: 360px) {
    .head h1 {
        font-size: 1.2em; /* Further reduced font size */
    }

    .head3 {
        font-size: 0.9em; /* Further reduced font size */
        line-height: 1.1rem; /* Adjust line height */
    }

    .name input {
        width: 95%; /* Almost full width for ultra-small screens */
        font-size: 0.9em; /* Smaller font size */
    }

    .btn button {
        width: 95%; /* Almost full width for ultra-small screens */
        font-size: 0.9em; /* Smaller font size */
    }
}

/* Media query for tiny screens */
@media (max-width: 320px) {
    .head h1 {
        font-size: 1em; /* Very small font size */
    }

    .head3 {
        font-size: 0.8em; /* Very small font size */
        line-height: 1rem; /* Adjust line height */
    }

    .name input {
        width: 100%; /* Full width for tiny screens */
        font-size: 0.8em; /* Smaller font size */
    }

    .btn button {
        width: 100%; /* Full width for tiny screens */
        font-size: 0.8em; /* Smaller font size */
    }
}

/* Media query for extremely tiny screens */
@media (max-width: 280px) {
    .head h1 {
        font-size: 0.8em; /* Extremely small font size */
    }

    .head3 {
        font-size: 0.7em; /* Extremely small font size */
        line-height: 1rem; /* Adjust line height */
    }

    .name input {
        width: 100%; /* Full width for extremely tiny screens */
        font-size: 0.7em; /* Extremely small font size */
    }

    .btn button {
        width: 100%; /* Full width for extremely tiny screens */
        font-size: 0.7em; /* Extremely small font size */
    }
}