body{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background: url(back2.jpg);
    background-size: cover;
}
.box{
    width:300px;
    padding:30px;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%); 
    background:rgba(64, 131, 148, 0.801);
    text-align:center;
}
.box h1
{
    color: rgb(20, 19, 19);
    text-transform: uppercase;
    font-weight: 700;   
}
.box input[type="text"],.box input[type="password"]
{
border: 0;
background: none;
display: block;
margin: 20px auto;
text-align: center;
border: 3px solid #1f1c4bec;
padding: 14px 10px;
width: 220px;
outline: none;
color: rgb(20, 20, 20);
border-radius: 24px;
transition:0.25px;
}
.box input[type="text"]:focus,.box input[type="password"]:focus
{
   width:270px;
   border-color: #1f1c4bec;

}
.box input[type="submit"]
{
border: 0;
background: none;
display: block;
margin: 20px auto;
text-align: center;
border: 3px solid #1f1c4bec;
padding: 14px 10px;
width: 220px;
outline: none;
color: rgb(241, 230, 230);
border-radius: 24px;
transition:0.25px;
cursor: pointer;
}
.box input[type="submit"]:hover
{
   background: #0a0a0aec;
}
input::placeholder
{
    color: white;
}