.cechy{
    //height:50vh;
    //background-color: #F5F5F5;
    //background-color: #e3e4e2;
    //border-bottom: 1px solid rgba(144, 144, 144, 0.25);
    //border-top: 1px solid rgba(144, 144, 144, 0.25);
    padding: 6em 0em 4em;
}

.cechy .box{
    background-color:white;
    padding: 3em 2.5em;
    border-radius: 4px;
    border: solid 1px gray;
    margin-bottom: 2em;
    text-align: center;
    box-shadow: 10px 10px 10px #c3c3c3;
    height:350px;
}

.cechy .box .ikonka{
    //background-color: #383b43;
    border-radius: 100%;
    color: #ffffff;
    display: inline-block;
    line-height: 2em;
    text-align: center;
    width: 2em;
    height: 2em;
    
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}
.cechy .box .ikonka:hover{
    filter: drop-shadow(0px 0px 10px #f8c300);
    -webkit-filter: drop-shadow(0px 0px 10px #f8c300);

    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -ms-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}
.ic1{
    background:#d43c61;
    //background:#f8c300;
}
.ic2{
    background:#3cadd4;
}
.ic3{
    background:#add43c;
}

.cechy .box h2{
    font-size:24px;
    margin-top:2em;
    text-transform: uppercase;
}
.cechy .box p{
    margin-top:1em;
    font-size:1.5em;
    text-align: justify;
    text-align-last: center;
    font-family: 'Lato', sans-serif;
    
}

#banner {
    //background-image: url(tile.png), url(tkbg2a.jpg);
    //background-position: center center;
	//background-size: 102px 102px,cover;
	//background-repeat: repeat, no-repeat;
    color: #000;
    padding: 10vw 0em 10vw;
    text-align: center;
}
#banner h2 {
    color: #000;
    font-size: 4em;
    line-height: 1.25em;
    margin: 0 0 0.5em 0;
    padding: 0;
    color:#1d1d1d;
    text-align: left;
    padding:0 20px;
}
#banner .tekst_oddzielenie{
    width:30%;
    border:0;
    height:3px;
    background-color: #1d1d1d;
    margin:30px;
    margin-top:40px;
}
#banner p {
    font-size: 1.5em;
    margin-bottom: 1.75em;
    text-align: justify;
    text-align-last: justify;
    padding:20px;
    padding-bottom: 0;
    margin-bottom: 0;
    color:#1d1d1d;
}

#banner .obrazek_banner{
    height: 100%;
    background-size: cover;
    background-image: url(3.jpg);
    margin-left: 20px;
    
	-webkit-box-shadow: 10px 10px 10px 1px rgba(0,0,0,0.25);
	-moz-box-shadow: 10px 10px 10px 1px rgba(0,0,0,0.25);
	box-shadow: 10px 10px 10px 1px rgba(0,0,0,0.25);
}

.tlo_blockchain{
    position: absolute;
    background-image: url(blockchain.png);
    background-size: cover;
    width: 517px;
    right: 0;
    top: -150px;
    height: 644px;
    z-index: -1;
    
    filter: drop-shadow(0px 0px 5px #d0a1a1);
    -webkit-filter: drop-shadow(0px 0px 5px #d0a1a1);
}
.tlo_circut{
    position: absolute;
    background-image: url(circuit.png);
    background-size: cover;
    width: 644px;
    left: -117px;
    top: 550px;
    height: 644px;
    z-index: -1;
    
    filter: drop-shadow(0px 0px 5px #d0a1a1);
    -webkit-filter: drop-shadow(0px 0px 5px #d0a1a1);
}