style.css

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    background: url('img/bg.jpg') no-repeat center;
    background-size: cover;
    font-family:sans-serif;
}
.login-wrapper{
    height: 100vh;
    width:100vw;
    display:flex;
    justify-content: center;
    align-items: center;
}
.form{
    position: relative;
    width:100%;
    max-width:380px;
    padding:80px 40px 40px;
    background: rgba(0,0,0,0.7);
    border-radius: 10px;
    color:#fff;
    box-shadow:0 15px 25px rgba(0,0,0,0.5);
} 
.form::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    width: 50px;
    height: 100%;
    background : rgba(255,255,255,0.08);
    transform:skewX(-26deg);
    transform-origin:bottom left;
    border-radius:10px;
    pointer-events:none;
}
.form img {
    position : absolute;
    top:-50px;
    left:calc(50% -50px);
    width:100px;
    background : rgba(255,255,255,0.8);
    border-radius: 50%;
}
.form h2{
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    color: #ff652f;

}
.form .input-group{
    position: relative;

}
.form .input-group input{
    width: 100%;
    padding : 10px 0;
    font-size: 1rem;
    letter-spacing:  1px;
    margin-bottom: 30px;
    border:none;
    border-bottom: 1px solid #fff;
    outline : none;
    background-color: transparent;
    color: inherit;

}
.form .input-group label{
    position: absolute;
    top:0;
    left: 0;
    padding: 10px 0;
    font-size: 1rem;
    pointer-events: none;
    transition: .3s ease-out;

}
.form .input-group input:focus +label,
.form .input-group input:valid +label{
    transform: translateY(-18px);
    color: #ff652f;
    font-size: .8rem;
}
.submit-btn{
    display:block;
    margin-left: auto;
    border:none;
    outline: none;
    background: #ff652f;
    
}
.forgot-pw {
    color: inherit;
  }
  
  #forgot-pw {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    z-index: 1;
    background: #fff;
    opacity: 0;
    transition: 0.6s;
  }
  #forgot-pw:target {
    height: 100%;
    opacity: 1;
  }
  .close {
    position: absolute;
    right: 1.5rem;
    top: 0.5rem;
    font-size: 2rem;
    font-weight: 900;
    text-decoration: none;
    color:inherit;
  }