login.css

body{
    margin: 0;
    padding: 0;
    background: pink;
    background-size: cover;
    background-position: center;
    font-family: sans-serif;
}

.loginbox{
    width: 320px;
    height: 420px;
    background: purple;
    color: #fff;
    top: 50%;
    left: 50%;
    position: absolute;
    transform: translate(-50%,-50%);
    box-sizing: border-box;
    padding: 70px 30px;
}

.avatar{
    width: 100px;
    height: 100px;
    border-radius: 50px;
    position: absolute;
    top: -50px;
    left: calc(50% - 50px);
}

h1{
    margin: 0;
    padding: 0 0 20px;
    text-align: center;
    font-size: 22px;
}

.loginbox p{
    margin: 0;
    padding: 0;
    font-weight: bold;
}

.loginbox input{
    width: 100%;
    margin-bottom: 20px;
}

.loginbox input[type="text"], input[type="password"]
{
    border: none;
    border-bottom: 1px solid #fff;
    background: transparent;
    outline: none;
    height: 40px;
    color: #fff;
    font-size: 16px;
}
.loginbox input[type="submit"]
{
    border: none;
    outline: none;
    height: 40px;
    background: #fb2525;
    color: #fff;
    font-size: 18px;
    border-radius: 20px;
}
.loginbox input[type="submit"]:hover
{
    cursor: pointer;
    background: #ffc107;
    color: #000;
}
.loginbox a{
    text-decoration: none;
    font-size: 12px;
    line-height: 20px;
    color: darkgray;
}

.loginbox a:hover
{
    color: #ffc107;
}
p{
    color: yellow;

}
.st{
   font-family:"Times New Roman", Times, serif;
   font-weight: bold;
   margin-bottom: 100px;

}
.sub{
    text-align: center;
    font-size: 2px;
    border: dashed 1px ;
    border-top-width: 2px;
    border-width: 1px;
    background-color:red;
}