jedchecker/media/com_jedchecker/css/j3-style.css

.col-md-8 {
    flex: 0 0 66.66667%;
    max-width: 66.66667%;
}

.col-1,
.col-2,
.col-3,
.col-4,
.col-5,
.col-6,
.col-7,
.col-8,
.col-9,
.col-10,
.col-11,
.col-12,
.col,
.col-auto,
.col-sm-1,
.col-sm-2,
.col-sm-3,
.col-sm-4,
.col-sm-5,
.col-sm-6,
.col-sm-7,
.col-sm-8,
.col-sm-9,
.col-sm-10,
.col-sm-11,
.col-sm-12,
.col-sm,
.col-sm-auto,
.col-md-1,
.col-md-2,
.col-md-3,
.col-md-4,
.col-md-5,
.col-md-6,
.col-md-7,
.col-md-8,
.col-md-9,
.col-md-10,
.col-md-11,
.col-md-12,
.col-md,
.col-md-auto,
.col-lg-1,
.col-lg-2,
.col-lg-3,
.col-lg-4,
.col-lg-5,
.col-lg-6,
.col-lg-7,
.col-lg-8,
.col-lg-9,
.col-lg-10,
.col-lg-11,
.col-lg-12,
.col-lg,
.col-lg-auto,
.col-xl-1,
.col-xl-2,
.col-xl-3,
.col-xl-4,
.col-xl-5,
.col-xl-6,
.col-xl-7,
.col-xl-8,
.col-xl-9,
.col-xl-10,
.col-xl-11,
.col-xl-12,
.col-xl,
.col-xl-auto {
    position: relative;
    width: 100%;
    min-height: 1px;
    padding-right: 7.5px;
    padding-left: 7.5px;
}

.mb-3,
.my-3 {
    margin-bottom: 1rem !important;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-md-4 {
    flex: 0 0 33.33333%;
    max-width: 31.33333%;
}

.bg-light {
    background-color: #f8f9fa !important;
}

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: transparent;
    background-clip: border-box;
    border: 1px solid #ccc;
    border-radius: .25rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -7.5px;
    margin-left: -7.5px;
}

.card-body {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
    flex: 1 1 auto;
    padding: 1.25rem;
}

.card-footer {
    padding: .75rem 1.25rem;
    background-color: transparent;
    border-top: 0 solid transparent;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

ol,
ul,
dl {
    margin-top: 0;
    margin-bottom: 1rem;
}

.form-row {
    display: flex;
    margin-right: -5px;
    margin-left: -5px;
}

.form-row>.col,
.form-row>[class*="col-"] {
    padding-right: 5px;
    padding-left: 5px;
}

.custom-file {
    position: relative;
    display: inline-block;
    width: 100%;
    height: calc(2.7rem + 2px);
    margin-bottom: 0;
}

.custom-file-input {
    position: relative;
    z-index: 2;
    width: 100%;
    height: calc(2.7rem + 2px);
    margin: 0;
    opacity: 0;
}

.custom-file-label {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1;
    padding: .6rem 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: .25rem;
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: .25rem;
    font-size: 80%;
    color: #c52827;
}

.btn:not(:disabled):not(.disabled) {
    cursor: pointer;
}

.btn-success {
    color: #fff;
    background-color: #2f7d32;
    border-color: #2f7d32;
}

.btn {
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    padding: .6rem 1rem;
    line-height: 1.5;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.btn {
    white-space: normal !important;
}

button,
html [type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

button,
select {
    text-transform: none;
}

button,
input {
    overflow: visible;
}

input,
button,
select,
optgroup,
textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button {
    border-radius: 0;
}

.text-white {
    color: #fff !important;
}

.bg-info {
    background-color: #17a2b8 !important;
}

.card-header {
    padding: .75rem 1.25rem;
    margin-bottom: 0;
    /*background-color: transparent;*/
    background-color: rgba(0, 0, 0, .03);
    border-bottom: 1px solid #ccc;
}

.custom-file-label::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: block;
    padding: .6rem 1rem;
    line-height: 1.5;
    color: white;
    content: "Browse";
    background-color: #3073bb;
    border-left: 1px solid #ced4da;
    border-radius: 0 .25rem .25rem 0;
}