@keyframes bgpnk {
    0%   {background-image: url(../img/nkb2.jpg);}
    50%  {background-image: url(../img/nkb3.jpg)}
    75% {background-image: url(../img/nkb4.jpg);}
    100%   {background-image: url(../img/nkb2.jpg);}
}

body{
    animation-name: bgpnk;
    animation-duration: 60s;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    animation-iteration-count: infinite;
}

#loggrb {
    background-color: transparent;
    width: 100%;
    height: 30vh;
    margin-bottom: 1%;
    background-image: url(../img/grbwb.png);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.nkp2 {
    clear: both;
    float: left;
}

.nkp3 {
     clear: both;
     float: right;
}

.tb1 {
    float: left
}