body {
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -ms-flex-align: center;
    -ms-flex-pack: center;
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-pack: center;
    justify-content: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}


.form-signin input[type="text"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}


.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    width: 300px;
    padding: 10px;
    font-size: 16px;
}

.closebtn
{
    padding-top: 50px;
}