.btn-file {
    position: relative;
    overflow: hidden;
}
.btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    background: white;
    cursor: inherit;
    display: block;
}

#img-upload{
    width: 100%;
}

.checkbox label:after, 
.radio label:after {
    content: '';
    display: table;
    clear: both;
}

.checkbox .cr,
.radio .cr {
    position: relative;
    display: inline-block;
    border: 1px solid #a9a9a9;
    border-radius: .25em;
    width: 1.3em;
    height: 1.3em;
    float: left;
    margin-right: .5em;
}

.radio .cr {
    border-radius: 50%;
}

.checkbox .cr .cr-icon,
.radio .cr .cr-icon {
    position: absolute;
    font-size: .8em;
    line-height: 0;
    top: 50%;
    left: 20%;
}

.radio .cr .cr-icon {
    margin-left: 0.04em;
}

.checkbox label input[type="checkbox"],
.radio label input[type="radio"] {
    display: none;
}

.checkbox label input[type="checkbox"] + .cr > .cr-icon,
.radio label input[type="radio"] + .cr > .cr-icon {
    transform: scale(3) rotateZ(-20deg);
    opacity: 0;
    transition: all .3s ease-in;
}

.checkbox label input[type="checkbox"]:checked + .cr > .cr-icon,
.radio label input[type="radio"]:checked + .cr > .cr-icon {
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
}

.checkbox label input[type="checkbox"]:disabled + .cr,
.radio label input[type="radio"]:disabled + .cr {
    opacity: .5;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #4CAF50;
  color: white;
}

tr.strikeout td:before {
  content: " ";
  position: absolute;
  top: 50%;
  left: 0;
  border-bottom: 1px solid #111;
  width: 100%;
}

tr.strikeout td:after {
  content: "\00B7";
  font-size: 1px;
}