style.css

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(241, 241, 241);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.form{
    margin: 2rem;
    background-color: rgb(255, 255, 255);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: rgba(17, 17, 26, 0.05) 0px 1px 0px, rgba(17, 17, 26, 0.1) 0px 0px 8px;
    width:40%;
}

label{
    display: block;
    margin-bottom: .5rem;
    color: rgb(123, 123, 123);
}

input{
    width: 100%;
    padding: 1rem;
    border-radius: .5rem;
    box-sizing: border-box;
    background-color: rgb(243, 243, 243);
    border: none;
    margin-bottom: 1.5rem;
}

input[type="submit"]{
    background-color: rgb(142, 80, 200);
    color: white;
    font-size:1rem;
    cursor: pointer;
    transition: .5s ease;
}
input[type="submit"]:hover{
    background-color: rgb(115, 59, 167);
    transform: scale(1.02);
}

.errorMessage{
    color: red;
    font-size: 10px;
    margin-top: -20px;
    margin-bottom: 1.4rem;
    display: none;
}
#show-hide{
    position: relative;
    top: -20px;
    float: right;
    color: rgb(122, 122, 122);
    font-size: 1rem;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: all .5s ease;
}
#show-hide:hover{
    border-bottom: solid rgb(122, 122, 122) 1px;
    color: rgb(76, 76, 76);
}