body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

#nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#nav li {
    display: inline;
    float: left;
}

#nav a {
    margin-top: 0;
    display: block;
    padding-left: 8px;
    padding-right: 8px;
    margin: 3px;
    font-weight: 300;
    text-decoration: none;
    color: rgb(255, 255, 255);
    border-radius: 10px;
    transition: 0.3s;
    transition-timing-function: ease-in-out;
}

#nav a:hover {
    color: black;
    text-shadow: 0 0 0.1px black;
}

.navbar {
    height: 70px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-evenly;
    margin: 0 auto;
    text-align: center;
    vertical-align: middle;
    position:sticky;
    z-index: 100;
    top: 0;
    background-color: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: -8px;
    margin-left: -8px;
    margin-right: -8px;
}

#nav a.active {
    color: wheat;
}

div.cover {
    background-image: linear-gradient(to bottom, rgba(64, 64, 64, 0), rgb(87, 87, 87));
    height: 1852px;
    text-align: center;
    margin: 0;
    margin-left: -8px;
    margin-right: -8px;
}

#hello {
    font-weight: 300;
    color: rgb(33, 33, 33);
    float: left;
    margin-top: 100px;
    margin-left: 150px;
    text-shadow: 0 0 3px wheat;
    font-size: 30px;
}

#iam {
    font-weight: 300;
    color: rgb(33, 33, 33);
    float: right;
    margin-top: 100px;
    margin-right: 150px;
    text-shadow: 0 0 3px wheat;
}

#name {
    font-weight: 300;
    color: rgb(33, 33, 33);
    padding-top: 250px;
    font-size: 90px;
    text-shadow: 0 0 3px wheat;
}

#back {
    font-weight: 200;
    color: black;
}

table {
    border-collapse: collapse;
    border-style: solid;
    border-color: rgb(222, 222, 222);
}

th, td {
    text-align: center;
}

.margin-left {
    margin-left: 15px;
}

.cell-align {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
}

#suni {
    font-size: 13px;
    color: rgb(105, 105, 105);
}

table a {
    text-decoration: none;
    font-size: 19px;
    color: rgb(15, 15, 15);
}

td:nth-child(1) {
    width: 400px;
}

td:nth-child(2) {
    width: 100px;
}

/* certification first view pane */
.view-section {
    margin-top: 60px;
    height: 500px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0px 150px 0px 150px;
    background-image: linear-gradient(to bottom, rgba(255,0,0,0), rgb(202, 202, 202));
    /*background-color: rgb(248, 248, 248);*/
    margin-left: -8px;
    margin-right: -8px;
}

.table{
    height: 245px;
    display: block;
    clear: both;
}

/* background form for the table of certificates */
#morph {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    height: 500px;
    width: 800px;
    border-radius: 20px;
    left: 10px;
    margin-top: 100px;
    transform: rotate(-3deg);
    background: rgb(218, 218, 218);
}
#morph:before,
#morph:after {
  content: '';
}

#mat {
    font-size: 20px;
    font-weight: 500;
}

#descr {
    width: 700px;
}

/* arrow image */
.arrow {
    margin: 3px;
    margin-left: 280px;
    position: relative;
    -webkit-transform : rotate(-130deg) scaleZ(-1) scale(0.2);
    -ms-transform     : rotate(-130deg) scaleZ(-1) scale(0.2); 
    transform         : rotate(-130deg) scaleY(-1) scale(0.2);
    mix-blend-mode: multiply;
    opacity: 0.3;
}

.arrow-description {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

div.left-arrow {
    width: 450px;
    height: 2000px
}

div.right-descr {
    position: relative;
    float: right;
    margin-right: 700px;
    margin-top: 190px;
    font-weight: 200;
    font-size: 16px;
    text-shadow: 0px 0px 2px gray;
}