app/static/admin/login.css

#container{
    position: absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    display: flex;
    row-gap: 20px;
    flex-direction: column;
    align-items: center;
    border:2px solid black;
    /* box-sizing: border-box; */
    
    padding: 20px;
}
#container>h1{
    text-align: center;
    margin: 0px;
}
#container>p{
    text-align: center;
    margin: 0px;
    margin-bottom: 5px;
    visibility: hidden;
    color:red;
}
.active{
    visibility: visible !important;
}

#container>div{
    display: flex;
    width:314px;
    justify-content: space-between;
}
#container>div>p{
    margin: 0;
}

#container>div>input{
    border:none;
    outline:none;
    border-bottom:1px solid black;
}

#container>input{
    width:30%;
    margin: 10px;
}