#calkulator-page p,
#calkulator-page label {margin: 0;}
#calkulator-page select,
#calkulator-page input {height: 30px;}
#calkulator-page table.border {width: 50%;}
#calkulator-page table.border tr td {
    border: 1px solid #515151;
    padding: 5px; }
.nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active {
    border-color: #515151 #515151 #fff;
}
.nav-tabs {border-color:#515151;}
.nav-tabs .nav-item > .nav-link {
    font-weight: 600;
    font-size: 18px;
    /*color: #515151;*/
    color: #fff;
    /*background-color: #c9daf6;*/
    background-color: #5f5f5f;
    border: 1px solid #515151;  }
.nav-tabs .nav-item > .nav-link.active {
    color: #5f5f5f;
    background-color: #ffffff;
    border-bottom-color: transparent;
}
.nav-link span {margin-right: 10px;}
#calkulator-page .tab-content {
    padding: 20px;
    border: 1px solid #515151;
    border-top: none; }
#calkulator-page .input-btn {
    margin: 10px 15px;
    width: 165px;
    height: 40px;
    letter-spacing: 1px;
    background: #205ec9;
}
.hidden > div {
    margin-right: 5px;
    margin-bottom: 5px;
    padding: 5px 10px;
    border: 1px solid #c9daf6;
}
#d-2 {
    text-align: center;
}
.right p span {
    font-weight: 600;
}
#cur {
    margin-top: 10px!important;
    font-style: italic;
}
p.left {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}
@media screen and (max-width: 1199px) {
    .nav-tabs .nav-item {width: 33.3333%;}
    #calkulator-page table.border {width: 100%;}
    .right #d-2 {margin-bottom: 15px;}
}
@media screen and (max-width: 1199px) {
    .nav-tabs .nav-item {width: 50%;}
}
@media screen and (max-width: 480px) {
    .nav-tabs .nav-item {width: 100%;}
}