.my_css_a{
  margin: 13px;
}
/*.sidebar_hidden_a{*/
/*  height: 100%;*/
/*  width: 22px;*/
/*  background: red;*/
/*  display: inline;*/
/*  float: right;*/
/*}*/
/*.sidebar_hidden_b{*/
/*  height: 100%;*/
/*  width: 100%;*/
/*  line-height: 500px;*/
/*  color: black;*/
/*  text-align: center;*/
/*  font-size: 20px;*/
/*  padding-left: 5px;*/
/*  padding-right: 5px;*/
/*}*/

.from_1 {
    margin-right: 5%;
}.from_3 {
    margin-left: 8%;
    margin-right: 5%;
}
.from_2 {
    border-radius: 7px;
}
.span_1{
    border-top-right-radius: 4px !important;
    border-bottom-right-radius: 4px !important;
}
.input_1{
    width: 100px !important;
    text-align: center !important;
    margin-left: 0;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}
.btn_1 {
    float: right !important;
    width: 64px !important;
    height: 33px !important;
    margin-left: 8px !important;
    font-size: 12px !important;
    text-align: center !important;
    line-height: 100% !important;
}