html,
body {
    height: 100%;
}

body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background: linear-gradient(135deg, rgb(15, 82, 75) 0%, rgb(15, 82, 75) 15%, rgb(19, 103, 95) 15%, rgb(19, 103, 95) 47%, rgb(26, 146, 134) 47%, rgb(26, 146, 134) 76%, rgb(34, 190, 174) 76%, rgb(34, 190, 174) 92%, rgb(57, 218, 202) 92%, rgb(57, 218, 202) 100%);
    box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}

/* Custom default button */
.btn-secondary {
    color: #fff;
    text-shadow: none; /* Prevent inheritance from `body` */
    background-color: #1b9387;
    border: .05rem solid #1b9387;
}

.btn-secondary:hover,
.btn-secondary:target,
.btn-secondary:focus {
    color: #fff;
    text-shadow: none; /* Prevent inheritance from `body` */
    background-color: #157269;
    border: .05rem solid #157269;
}

.form-signin {
    width: 100%;
    max-width: 400px;
    padding: 15px;
    margin: auto;
    border-top: 4px solid #1b9387;
    background: rgba(255, 255, 255, .85);
}

.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="username"] {
    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;
}