*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins',sans-serif;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #9e68f5;
}
.box{
    position: relative;
    width: 380px;
    height: 420px;
    background: #1c1c1c;
    border-radius: 8px;
    overflow: hidden;

}
.box::before
{
    content: '';
    position: absolute;
    top:-50%;
    left: -50%;
    width: 380px;
    height: 420px;
    background: linear-gradient(0deg,transparent,
    transparent,#45f3ff,#45f3ff,#45f3ff);
    z-index: 1;
    transform-origin: bottom right;
    animation: animate 6s linear infinite;
}
.box::after
{
    content: '';
    position: absolute;
    top:-50%;
    left: -50%;
    width: 380px;
    height: 420px;
    background: linear-gradient(0deg,transparent,
    transparent,#45f3ff,#45f3ff,#45f3ff);
    z-index: 1;
    transform-origin: bottom right;
    animation: animate 6s linear infinite;
    animation-delay: -3s;
}
.borderline{
    position: absolute;
    top: 0;
    inset: 0;


}
.borderline::before
{
    content: '';
    position: absolute;
    top:-50%;
    left: -50%;
    width: 380px;
    height: 420px;
    background: linear-gradient(0deg,transparent,
    transparent,#d10b6e,#d10b6e,#d10b6e);
    z-index: 1;
    transform-origin: bottom right;
    animation: animate 6s linear infinite;
    animation-delay: -1.5s;

}
.borderline::after
{
    content: '';
    position: absolute;
    top:-50%;
    left: -50%;
    width: 380px;
    height: 420px;
    background: linear-gradient(0deg,transparent,
    transparent,#d10b6e,#d10b6e,#d10b6e);
    z-index: 1;
    transform-origin: bottom right;
    animation: animate 6s linear infinite;
    animation-delay: -4.5s;
}
@keyframes animate
{
    0%
    {
        transform: rotate(0deg);
    }
   100%
    {
        transform: rotate(360deg);
    }
} 


.box form{
    position: absolute;
    inset: 4px;
    background: #222;
    padding: 50px 40px;
    border-radius: 8px;
    z-index: 2;
    display: flex;
    flex-direction: column;

}
.box form h2{
    color: #fff;
    font-weight: 500;
    text-align: center;
    letter-spacing:0.1em
}
.box form .inputBox{
    position: relative;
    width: 300px;
    margin-top: 35px;
}
.box form .inputBox input{
    position: relative;
    width: 100%;
    padding: 20px 10px 10px;
    background: transparent;
    outline: none;
    border: none;
    box-shadow: 0,0em;
    color: #23242a;
    font-size: 1em;
    letter-spacing: 0,05em;
    transition: 0,5s;
    z-index: 10;
    
}
.box form .inputBox span
{
    position: absolute;
    left: 0;
    padding: 20px 10px 10px;
    pointer-events: none;
    color: #8f8f8f;
    font-size: 1em;
    letter-spacing: 0,05em;
    transition: 0,5s;

}
.box form .inputBox input:valid ~ span,
.box form .inputBox input:focus ~ span
{
    color: #fff;
    font-size: 0.75;
    transform: translateY(-34px);

}
.box form .inputBox i
{
position: absolute;
left: 0;
bottom: 0;
width: 100%;
height: 2px;
background: #fff;
border-radius: 4px;
overflow: hidden;
transition: 0.5s;
pointer-events:none ;
}
.box form .inputBox input:valid ~ i,
.box form .inputBox input:focus ~ i{
    height: 44px;
}
.box form .link{
    display: flex;
    justify-content: space-between;

}
.box form .link a{
    margin: 10px 0;
    
    font-size: 0.75em;
    color: #8f8f8f;
    text-decoration: none;
}
.box form .link a:hover,
.box form .link a:nth-child(2)
{
    color: #fff;
}
.box form input[type="submit"]
{
    outline: none;
    border: none;
    padding: 9px 25px;
    background: #fff;
    cursor: pointer;
    font-size: 0.9em;
    border-radius: 4px;
    font-weight: 600;
    width: 100px;
    margin-top: 10px;
}
.box form .inputBox input[type="submit"]:active
{
    opacity: 0.8
}