html, body {
    font-family: Calibri, Candara, Segoe, "Segoe UI", Raleway, Optima, Arial, sans-serif;
    font-size: 18px;
    color: #555;
}
.bg-cover{
    width: 100%;
    height: 100%;
    /*new*/
    display: block;
    position: absolute;
    background-size: cover;
    opacity: 0.35;
    z-index: -1;
}
.top-nav-wrapper{
    background-color: #f7f7f7;
    border-bottom: 1px solid #ddd;
}
.header-main{
    /*max-width: 1000px;*/
    margin-left: auto;
    margin-right: auto;
    height: 55px;
}
.top-menu-wrapper{
    height: 55px;
}
.top-menu{
    padding-top: 6px;
}
.top-menu-links{
    font-size: 18.5px;
    margin-right: 30px;
    float: right;
}
.top-menu-links li{
    display: inline-block;
}
.top-menu-links ul > li:last-child > a {
    border: none;
}
.top-menu-links li > a {
    padding: 8px 25px 8px 25px;
    border-right: 1px dotted #cecece;
}
.top-menu-links li > a:hover{
    color: #fff;
}
.links:hover{
    cursor: pointer;
}
.main, .main p, .main span, .main a{
    color: #000;
}
.logo:hover{
    cursor: pointer;
}
.matcalc{
    background: url(../images/logo-matcalc.png) no-repeat right;
}
.mceng{
    background: url(../images/logo-mceng.png) no-repeat right;
}
.container{
    transition: 1s;
}
.main {
    font-size: 25px;
    margin-top: 2rem;
    margin-bottom: 1rem;
    text-align: left;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    position: absolute;
    width: 100%;
}
ul{
    list-style: none;
    padding-left: 15px;
}
a, a:hover{
    text-decoration: none;
}
.enter-link{
    margin-bottom: 15px;
    /*display: block;*/
    padding: 10px;
    font-size: 38px;
    transition: 0.2s;
}
.content-box{
    margin: 10px 15px 10px 15px;
    /*background-color: #ffffffa1;*/
    background-color: rgba(255, 255, 255, 0.6313725490196078);
    padding: 30px;
    border-radius: 22px;
}
.content-box:hover{
    cursor: pointer;
    background-color: #fff;
    transition: 0.2s background-color;
}
.content-box > .enter-link:hover{
    text-shadow: 1px 1px 1px;
}
.content-box-mceng > .enter-link:hover{
    color: #1e2757;
}
.content-box-matcalc > .enter-link:hover{
    color: #7a0000;
}
.item{
    display: block;
}
#bottom-nav {
    text-align: center;
    color: #aaa;
    font-size: 13px;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 300;
    border-top: 2px solid #444;
}
.bottom-nav-links > ul{
    margin: 0;
}
#bottom-nav-wrapper2{
    font-size: 14px;
    /*font-weight: 600;*/
    padding: 8px;
}
#bottom-nav-wrapper2 li {
    display: inline-block;
    width: 8.5rem;   
}
#bottom-nav-wrapper2 li > a{
    color: #efefef;
    padding: 2px;
}
#bottom-nav-wrapper2 li > a:hover{
    /*background-color: #3339ad;*/
    font-weight: 800;
    font-size: 15px;
    transition: 0.2s;
}
.cookie-wrapper{
    display: block;
    width: 100%;
    padding: 8px 5px 8px 5px;
    background: #00000038;
    color: #aaa;
    font-size: 13px;
}
.cookie-main{
    margin-right: 20px;
    margin-left: 20px;
    text-align: center;
}
#cookie-close-btn{
    font-size: .552rem;
}
footer {
    position: relative;
    padding: 9px 0px 9px 10px;
}