body { font-family: Arial, Helvetica, Verdana, sans-serif }
.bo1{
 border-right-style: solid;
 border-left-style: solid;
 border-bottom-style: solid;
 border-width: 1px
}
.bo2{
 border-right-style: solid;
 border-left-style: solid;
 border-top-style: solid;
 border-width: 1px
}
a:link {
  background-color: yellow;
  padding:6px;
}
    button,input:not(old),select {
     font-size:20px;
     padding:3px;
     text-align: center;
      border-radius:16px;
      background:yellow;
      padding-right:4px;
      padding-left:4px;
}
input[type='text']{
    background:#f1f190;
    color:blue;
    width:300px;
}
button,input[type='submit']{
    background:linear-gradient(#ff5e00, yellow);
}

    input[type='range'] {
      overflow: hidden;
      -moz-appearance: none;
      -webkit-appearance: none;
      background-color: yellow;
    }
    
    input[type='range']::-webkit-slider-thumb {
      width: 10px;
      -moz-appearance: none;
      -webkit-appearance: none;
     height: 10px;
      cursor: ew-resize;
      background: green;
      box-shadow: -80px 0 0 80px yellow;
    }
    
.k2{
    font-size:10px;
    color:blue;
      border-radius:16px;
    border-inline-color:blue;
    background:linear-gradient(#ff5e00, yellow);
}

input[type=password]{
    background:#f1f190;
    color:red;
}
input[type=password]{
    background:#f1f190;
    color:red;
    cursor:pointer;
}

input[type=checkbox]:not(old){
  width     : 2em;
  margin    : 0;
  padding   : 0;
  font-size : 1em;
  opacity   : 0;
}
input[type=checkbox]:not(old) + label > span{
  display          : inline-block;
  width            : 2em;
  height           : 2em;
  margin           : 0.25em 0.5em 0.25em 0.25em;
  border           : 0.1em solid black;
  border-radius    : 2em;
  background       : yellow;
  vertical-align   : bottom;
}
input[type=checkbox]:not(old):checked + label > span{
  background       : yellow;
}
input[type=checkbox]:not(old) + labe{
  display      : inline-block;
  margin-left  : -2em;
  line-height  : 1.5em;
}
input[type=checkbox]:not(old):checked + label > span:before{
  content     : '✓';
  display     : block;
  width       : 1em;
  color       : black;
  font-size   : 1.8em;
  line-height : 1em;
  text-align  : center;
  text-shadow : 0 0 0.0714em rgb(115,153,77);
  font-weight : bold;
}