:root {
    --color-body: rgb(255, 255, 255);
    --color-navbar: rgb(0,0,0);
    --color-navbar-link:#efd02a;
    --color-border:#ddd;

    --color-heading:#000;

    --base-space: 1.25em;
    --half-space: calc(var(--base-space) / 2);
    --one-and-a-half-space: calc(var(--base-space) * 1.5);
    --quarter-space: calc(var(--base-space) / 4);
    --double-space: calc(var(--base-space) * 2);
    --eigth-space: calc(var(--base-space) / 8);

    --font-family: "Arial",sans-serif;
    --font-size-base: 16px;
    --font-size-xx-small: 0.4rem;
    --font-size-x-small: 0.6rem;
    --font-size-small: 1rem;
    --font-size-medium: 1.2rem;
    --font-size-large: 1.4rem;
    --font-size-x-large: 2rem;
    --font-size-xx-large: 8rem;

    --form-field-padding:0.5rem;
    --form-submit-padding:0.5rem;
}

h1,h2,h3 {
    color: var(--color-heading);
    border-bottom:1px solid var(--color-border)
}

.txt--bold{
    font-weight: bold;
}
.txt--normal {
    font-weight: normal !important;
    font-style: normal !important;
}

.txt--medium{
    font-size:var(--font-size-medium);
}

.txt--small{
    font-size:var(--font-size-small);
}

.txt--large{
    font-size:var(--font-size-large);
}

.txt--center{
    text-align: center;
}

.txt--right{
    text-align: right;
}

.txt--subtle {
    color: var(--color-txt--subtle);
}
.push--top {
    margin-top: var(--base-space) !important;
}

.push_quarter--bottom {
    margin-bottom: var(--quarter-space) !important;
}

.push_half--bottom {
    margin-bottom: var(--half-space) !important;
}

.push--bottom {
    margin-bottom: var(--base-space) !important;
}

.push_double--bottom {
    margin-bottom: var(--double-space) !important;
}

.push--right{
    margin-right: var(--base-space) !important;
}

.border--top{
    border-top:1px solid var(--color-border);
    padding-top:1rem;
}

.form-field label{
    display:block;
    width:100%;
}

.form-field input{
    display:block;
    width:100%;
    padding:var(--form-field-padding);
    box-sizing: border-box;
}

.form-field input[type="checkbox"]{
    display:inline-block;
    width:auto;
    float:left;
}

.form-field--check{
    display:inline-block;
    margin-right:20px;
}

.form-field .checkbox-label{

}

.form-submit button{
    border-radius:4px;
    border:1px solid #333;
    padding:var(--form-submit-padding);
}

.btn{
    border-radius:4px;
    border:1px solid #333;
    background:#eee;
    color:#000;
    padding:0.5rem 1rem;
    word-break: break-all;
    box-sizing: border-box;
}

a.btn{
    text-decoration:none;
}

.btn--xs{
    font-size: var(--font-size-x-small);
}

.btn--round{
    border-radius: 20px;
}

.btn--yellow{
    color:#000;
    font-weight:bold;
    background:var(--color-navbar-link);
}

table{
    border-collapse: collapse;
    font-size:11px;
}
th{
    text-align:left;
}
thead th,th{
   border:1px solid #ddd;
}
th, td{
    padding:5px
}
td{
    border:1px solid #ddd;
    padding:0.5rem;
    height:1.5rem;
}

.table--striped tr:nth-child(even) {
    background-color: #f2f2f2;
}

.border--bottom{
    border-bottom: 1px solid #ddd;
    border-bottom-color: var(--color-border);
    padding-bottom: 1rem;
}

.form-field label{
    font-weight:bold;
    padding-bottom:0.5rem;
}

.content--full{
    max-width:1080px;
    margin-left: auto;
    margin-right: auto;
}
.content--full{
    max-width:1200px;
    margin-left: auto;
    margin-right: auto;
}
/***********************************************************/

html{
    margin:0;
    padding:0;
}

body{
    margin:0;
    padding:0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

h1{
    font-size:var(--font-size-x-large);
}

.page-title{
    color:var(--color-navbar-link);
    font-size:var(--font-size-large);
    margin-left:20px;
    top:20px;
    position:relative;
    display:inline-block;
}

.navbar {
    background:var(--color-navbar);
    overflow:hidden;
    padding-bottom:10px;
}

.navbar__content{
    padding-top:5px;
}
.navbar .logo{
    display:inline-block;
    float:left;

}

.navbar .logo img{
    height:60px;
}

.navbar .navigation{
    display:inline-block;
    float:left;
}

.navbar .navigation ul,.navbar .navigation li{
    margin:20px 0 0 20px;
    padding:0;

}
.navbar .navigation li{
    list-style-type:none;
    margin-right:20px;
}


.navbar .navigation a{
    color:var(--color-navbar-link);
    font-size:1.2rem;
    font-weight: bold;
    text-decoration: none;
}

.navbar .nav--right{
    display:inline-block;
    float:right;
    padding-top:20px;
}



.page{
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: center;
    padding-left:20px;
    padding-right:20px;
}

.page-content,.register-form{
    width:40rem;
    margin-bottom:100px;
}

page-content--wide{
    width:80rem;
}

/* registering */
.serie{
    margin-left:20px;
}

@media screen and (max-width: 600px) {
    body {
        font-size: 12px;
    }
}