.custom-file-input {
    position: relative;
    z-index: 2;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    margin: 0;
    overflow: hidden;
    opacity: 0
}

    .custom-file-input:focus ~ .custom-file-label {
        border-color: #80bdff;
        box-shadow: 0 0 0 .2rem rgba(0,123,255,.25)
    }

    .custom-file-input[disabled] ~ .custom-file-label, .custom-file-input:disabled ~ .custom-file-label {
        background-color: #e9ecef
    }

    .custom-file-input:lang(en) ~ .custom-file-label::after {
        content: "Browse"
    }

    .custom-file-input ~ .custom-file-label[data-browse]::after {
        content: attr(data-browse)
    }

.custom-file-label {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1;
    height: calc(1.5em + 0.75rem + 2px);
    padding: .375rem .75rem;
    overflow: hidden;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: .25rem
}

    .custom-file-label::after {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 3;
        display: block;
        height: calc(1.5em + 0.75rem);
        padding: .375rem .75rem;
        line-height: 1.5;
        color: #495057;
        content: "Browse";
        background-color: #e9ecef;
        border-left: inherit;
        border-radius: 0 .25rem .25rem 0
    }

.custom-range {
    width: 100%;
    height: 1.4rem;
    padding: 0;
    background-color: rgba(0,0,0,0);
    appearance: none
}

    .custom-range:focus {
        outline: 0
    }

        .custom-range:focus::-webkit-slider-thumb {
            box-shadow: 0 0 0 1px #fff,0 0 0 .2rem rgba(0,123,255,.25)
        }

        .custom-range:focus::-moz-range-thumb {
            box-shadow: 0 0 0 1px #fff,0 0 0 .2rem rgba(0,123,255,.25)
        }

        .custom-range:focus::-ms-thumb {
            box-shadow: 0 0 0 1px #fff,0 0 0 .2rem rgba(0,123,255,.25)
        }

    .custom-range::-moz-focus-outer {
        border: 0
    }

    .custom-range::-webkit-slider-thumb {
        width: 1rem;
        height: 1rem;
        margin-top: -0.25rem;
        background-color: #007bff;
        border: 0;
        border-radius: 1rem;
        transition: background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
        appearance: none
    }

@media(prefers-reduced-motion: reduce) {
    .custom-range::-webkit-slider-thumb {
        transition: none
    }
}

.custom-range::-webkit-slider-thumb:active {
    background-color: #b3d7ff
}

.custom-range::-webkit-slider-runnable-track {
    width: 100%;
    height: .5rem;
    color: rgba(0,0,0,0);
    cursor: pointer;
    background-color: #dee2e6;
    border-color: rgba(0,0,0,0);
    border-radius: 1rem
}

.custom-range::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    background-color: #007bff;
    border: 0;
    border-radius: 1rem;
    transition: background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    appearance: none
}

@media(prefers-reduced-motion: reduce) {
    .custom-range::-moz-range-thumb {
        transition: none
    }
}

.custom-range::-moz-range-thumb:active {
    background-color: #b3d7ff
}

.custom-range::-moz-range-track {
    width: 100%;
    height: .5rem;
    color: rgba(0,0,0,0);
    cursor: pointer;
    background-color: #dee2e6;
    border-color: rgba(0,0,0,0);
    border-radius: 1rem
}

.custom-range::-ms-thumb {
    width: 1rem;
    height: 1rem;
    margin-top: 0;
    margin-right: .2rem;
    margin-left: .2rem;
    background-color: #007bff;
    border: 0;
    border-radius: 1rem;
    transition: background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    appearance: none
}

@media(prefers-reduced-motion: reduce) {
    .custom-range::-ms-thumb {
        transition: none
    }
}

.custom-range::-ms-thumb:active {
    background-color: #b3d7ff
}

.custom-range::-ms-track {
    width: 100%;
    height: .5rem;
    color: rgba(0,0,0,0);
    cursor: pointer;
    background-color: rgba(0,0,0,0);
    border-color: rgba(0,0,0,0);
    border-width: .5rem
}

.custom-range::-ms-fill-lower {
    background-color: #dee2e6;
    border-radius: 1rem
}

.custom-range::-ms-fill-upper {
    margin-right: 15px;
    background-color: #dee2e6;
    border-radius: 1rem
}

.custom-range:disabled::-webkit-slider-thumb {
    background-color: #adb5bd
}

.custom-range:disabled::-webkit-slider-runnable-track {
    cursor: default
}

.custom-range:disabled::-moz-range-thumb {
    background-color: #adb5bd
}

.custom-range:disabled::-moz-range-track {
    cursor: default
}

.custom-range:disabled::-ms-thumb {
    background-color: #adb5bd
}

.custom-control-label::before, .custom-file-label, .custom-select {
    transition: background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out
}

@media(prefers-reduced-motion: reduce) {
    .custom-control-label::before, .custom-file-label, .custom-select {
        transition: none
    }
}

.nav {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none
}

.nav-link {
    display: block;
    padding: .5rem 1rem
}

    .nav-link:hover, .nav-link:focus {
        text-decoration: none
    }

    .nav-link.disabled {
        color: #6c757d;
        pointer-events: none;
        cursor: default
    }