index.css

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


}

body{

    align-items: center;
    background-color: aqua;
    box-sizing: border-box;
    text-align: center;
    border-image-width: 20px;
    border-bottom-left-radius: 20px;

    

}


h1 {
text-align: center;
    color: red;

    border-bottom: blue;
    background-color: black;

} */


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

section {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    background: cyan;
}

section h1 {
    text-shadow: 2px 5px 5px #2f3542;
    word-spacing: 20px;
    margin-bottom: 15px;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: white;
}

.centerDiv {
    width: 60%;
    height: 400px;
    box-shadow: 2px 2px 2px 2px rgb(35, 227, 205);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #57606f;
    border-radius: 10px;
    color: white;
    margin-top: 30px;
}



.details {
    text-align: center;
    text-transform: uppercase;
    border-radius: 10px !important;
}

.details label {
    font-size: 1.4rem;
}

.details input {
    padding: 10px;
    background-color: #158d8b;
    color: white;
    text-align: center;
}

.details input[type=text]:focus {
    border: 3px solid #555;
}

.imgdiv {
    margin: 30px 0;
}

button {
    background: #3498db;
    width: 180px;
    padding: 4px 0;
    border-radius: 3px;
    color: white;
    font-size: 1.2rem;
    letter-spacing: 2px;
    background-color: darken(#f1c40f, 20%);
}


button:hover {
    cursor: pointer;
}

@media screen and(max-width :380px){
    .imgdiv{
        width: auto;
    }
}