.netw{
    background: #83A7C9;
    border-radius: 50%;
}

a:hover {
    text-decoration: none;
    color:#000000;
}

.obtek1{
    float:left;
}


.libifopt{
    padding-top:100px;
    color:#ba2727;
    background-color: deepskyblue;
}

.flex-box {
  display: flex;
}

.flex-item {
  width: 100%;
}

.teror{

    padding-bottom:80%;
}