html,
body {
  height: 100%;
}

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 {
    border-radius:0px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    max-width: 440px;
    width: calc(100% - 40px);
    margin-bottom: 28px;
    background-color: #fff;
    -webkit-box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    -moz-box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    min-width: 320px;
    min-height: 338px;
    overflow: hidden;
}

    .form-signin .inner {
        padding: 44px;
    }
    .form-signin .checkbox {
        font-weight: 400;
    }
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}