*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    display:flex;
    background: linear-gradient(105deg, rgb(0, 187, 187), rgb(222, 56, 84));
    height: 100vh;
    align-items: center;
    justify-content: center;
    

}
body::after{
    position: fixed;
}
.container{
    display: flex;
    padding: 10px;
    border: 4px solid rgb(0, 0, 0);
    position: relative;
    height: 300px;
    width: 300px;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    text-align: center;
    background-color: rgb(39, 39, 39);
    
}
.container::after{
    position: fixed;
}
#username{
    height: 30px;
    background: transparent;
    outline: none;
    color: white;
    border-top: none;
    border-left: none;
    border-right: none;
    padding-left: 5px;
    padding-top: 10px;
    
}
#username:focus ~ label{
    animation: nameanimat;
    animation-duration: 1s;
    animation-fill-mode: forwards;

}
@keyframes nameanimat{
    0%{color: gray;}
    100%{color: rgb(204, 204, 204);
        font-size: 70%;
        transform: translateY(-15px) translateX(-8px);}
}
.name label{
    margin-left: -120px;
    margin-top: -20px;
    color: gray;
}
#password{
    height: 30px;
    background: transparent;
    outline: none;
    color: white;
    border-top: none;
    border-left: none;
    border-right: none;
    padding-left: 5px;
    padding-top: 10px;
}
#password:focus ~ label{
    animation: passanimat;
    animation-duration: 1s;
    animation-fill-mode:backwards;
}
@keyframes passanimat{
    0%{color: gray;}
    100%{color: rgb(204, 204, 204);
        font-size: 70%;
        transform: translateY(-15px) translateX(-8px);}
}
.pass label{
    margin-left: -120px;
    margin-top: -20px;
    color: gray;
}    
.name{
    display: flex;
    flex-direction: column;
    margin-bottom: 40px;
    width: 200px;
    
}
.pass{
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
    
}
label{
    color: white;
}
a{
    color: aliceblue;
    text-decoration: none;
}
.forgot{
    
    margin-top: 20px;
    
}
.forgot::after{
    position: fixed;
}
#signin{
    height: 30px;
    width: 80px;
    border: none;
    border-radius: 5px;
}
#signin::after{
    position: fixed;
}
.up{
    margin-top: 10px;
    margin-bottom: -30px;
}
.up::after{
    position: fixed;
}