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

table, p, div, td, th, input  { 
font-size: inherit ; 
}

.commontable a {
 color: inherit;
 text-decoration: inherit;
}

.commontable,#customers {
  font-size: inherit;
  border-collapse: collapse;
  width: 100%;
}

.commontable td,#customers td, .commontable th,#customers th {
  border: 1px solid #ddd;
  padding: 4px;
}

.commontable tr:nth-child(even),#customers tr:nth-child(even){background-color: #f2f2f2;}

.commontable tr:hover ,#customers tr:hover {background-color: #ddd;}

.commontable th,#customers th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #1090CF;
  color: white;
}


#selected th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #0000FF;
  color: white;
}

thead {
  position: sticky;
  top: 0;
  color: black;
  background: white;
}

table, th, td {
  border: 1px solid black;
  border-collapse: collapse;
}

input, select, textarea {
  width: 95%;
}

.commontable button,.back button,.helfer button,#customers button {
  text-decoration: none; /* dont underline links */
  display: inline-block; /* makes it possible to set top and bottom margins */
  width: 45px;
  height: 45px;
  text-align: center;
}
// spoiler stuff
input[id^="spoiler"]{
 display: none !important;
}
input[id^="spoiler"] + label {
  display: block;
  width: 80px;
  margin: 0 auto;
  padding: 5px 0px;
  background: #51a;
  color: #fff;
  text-align: center;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .6s;
}
input[id^="spoiler"]:checked + label {
  color: #333;
  background: #ccc;
}
input[id^="spoiler"] + label + .spoiler {
  width: 90%;
  height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 10px auto 0; 
  padding: 10px; 
  background: #eee;
  border: 1px solid #ccc;
  border-radius: 8px;
  transition: all .6s;
}
input[id^="spoiler"]:checked + label + .spoiler{
  height: auto;
  opacity: 1;
  padding: 10px;
}
.remark {
  margin: 50px;
  background-color: #ffffcc;
}