style.css

* {
    box-sizing: border-box ;
}

body{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin: 15px 30px;
    font-size: 17px;
    padding: 8px;
}

.container{
    background-color: #f2f2f2;
    padding: 5px 20px 15px 20px;
    border: 2px solid lightgray;
    border-radius: 4px;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="date"],
select, textarea
{
    margin: 10px;
    width: 100%;
    padding: 12px;
    border: 1px solid #fff;
    border-radius: 5px;
}
fieldset{
    background-color: #fff;
    border: 1px solid #ccc;
}

.main_heading{
    text-align: center;
}

input[type = "submit"]
{
    
    background-color: lightblue;
    color: rgb(94, 91, 91);
    padding: 12px 20px;
    border: none;
    width: 100%;
    cursor: pointer;
    border-radius: 7px;
}


input[type = "submit"]:hover{
    background-color: #4caf84;
}