* {
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}
body {
    background-color: #171717;
    color: #fff;
}
.card {
    height: 450px; 
    width: 400px;
    margin: 70px 70px;
    background-color: #171717;
    text-align: center;
    border-radius: 10px;
    position: relative;
}
.card::after, .card::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    z-index: -100;
    padding: 2px;
    border-radius: 10px;
    background-image: conic-gradient(from var(--angle), #0fbcf9, transparent, #0fbcf9, transparent, #0fbcf9);
    animation: 7s animate linear infinite;
}
.card::before {
    filter: blur(1.5rem);
    opacity: 0.3;
}
@keyframes animate {
    from {
        --angle: 0deg;
    }
    to {
        --angle: 360deg;
    }
}
@property --angle {
    syntax: "<angle>";
    initial-value: 0deg;
    inherits: false;

}
.login-form {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 390px;
    height: 440px;
    transform: translate(-50%, -50%);
    box-sizing: border-box;
    padding: 40px;
}
.login-form h1 {
    margin: 0 0 30px;
    color: #0fbcf9;
    text-align: center;
}
.login-form .user-input {
    position: relative;
}
.login-form .user-input .user {
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    color: #ccc;
    margin-bottom: 30px;
    border: none;
    border-bottom: 1px solid #ccc;
    background-color: transparent;
    outline: none;
}
.login-form .user-input i {
    position: absolute;
    right: 5px;
    top: 10px;
    font-size: 20px;
    color: #ccc;   
}
.login-form .user-input label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 16px;
    color: #ccc;
    pointer-events: none;
    transition: 0.5s ease;
}
.login-form .user-input .user:focus ~ label,
.login-form .user-input .user:valid ~ label {
    top: -15px;
    left: 0;
    font-size: 13px;
}
.login-form form .send {
    margin: 0 auto;
    display: inline-block;
    position: relative;
    padding: 10px 125px;
    color: #000;
    font-size: 16px;
    background-color: #0fbcf9;
    border-radius: 25px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    overflow: hidden;
    margin-top: 50px;
    border: 2px solid #0fbcf9;
    transition: 0.5s ease;
}
.login-form form .send:hover {
    background-color: transparent;
    color: #ccc;
}
.remember-forget {
    color: #ccc;
    font-size: 16px;
}
.forget {
    color: #ccc;
    text-decoration: none;
    margin-left: 30px;
    font-size: 16px;
}
.forget:hover {
    text-decoration: underline;
}
.register {
    margin: 20px;
    color: #ccc;
    text-align: center;
    font-size: 16px;
}
.register-text {
    font-weight: bold;
    color: #ccc;
    text-decoration: none;
}
.register-text:hover{
    text-decoration: underline;
}