.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
     .bd-placeholder-img-lg {
         font-size: 3.5rem;
     }
 }

html,
body {
    height: 100%;
}

body {
    display: -ms-flexbox;
    /*display: flex;*/
    display: block;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;
}

.form-signin {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
}
.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;
}

.loader {
    color: #fff;
    position: fixed;
    box-sizing: border-box;
    left: -9999px;
    top: -9999px;
    width: 0;
    height: 0;
    overflow: hidden;
    z-index: 999999
}

    .loader:after, .loader:before {
        box-sizing: border-box;
        display: none
    }

    .loader.is-active {
        background-color: rgba(0,0,0,.85);
        width: 100%;
        height: 100%;
        left: 0;
        top: 0
    }

        .loader.is-active:after, .loader.is-active:before {
            display: block
        }

@keyframes rotation {
    0% {
        transform: rotate(0)
    }

    to {
        transform: rotate(359deg)
    }
}

@keyframes blink {
    0% {
        opacity: .5
    }

    to {
        opacity: 1
    }
}

.loader[data-text]:before {
    position: fixed;
    left: 0;
    top: 50%;
    color: currentColor;
    font-family: Helvetica,Arial,sans-serif;
    text-align: center;
    width: 100%;
    font-size: 14px
}

.loader[data-text=""]:before {
    content: "Loading"
}

.loader[data-text]:not([data-text=""]):before {
    content: attr(data-text)
}

.loader[data-text][data-blink]:before {
    animation: blink 1s linear infinite alternate
}

.loader-default[data-text]:before {
    top: calc(50% - 63px)
}

.loader-default:after {
    content: "";
    position: fixed;
    width: 48px;
    height: 48px;
    border: 8px solid #fff;
    border-left-color: transparent;
    border-radius: 50%;
    top: calc(50% - 24px);
    left: calc(50% - 24px);
    animation: rotation 1s linear infinite
}

.loader-default[data-half]:after {
    border-right-color: transparent
}

.loader-default[data-inverse]:after {
    animation-direction: reverse
}