@media (min-width: 576px)
.bd-example {
    padding: 1.5rem;
    margin-right: 0;
    margin-left: 0;
    border-width: 0.2rem;
}
.bd-example {
    position: relative;
    padding: 1rem;
    margin: 1rem -15px 0;
    border: solid #f8f9fa;
    border-width: 0.2rem 0 0;
}
.responsive {
  width: 100%;
  max-width: 200px;
  height: auto;
}
.form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
table {
  border-collapse: collapse;
   width: 75%;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {background-color: #f2f2f2;}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}
.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    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-danger {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}
.btn-success {
    color: #fff;
    background-color: #28a745;
    border-color: #28a745;
}
.text-muted {
    color: #6c757d!important;
}
.form-text {
    display: block;
    margin-top: 0.25rem;
}
.small, small {
    font-size: 80%;
    font-weight: 400;
}
small {
    font-size: 80%;
}