body {
background-image:url('/img/fonas.png');
background-position: center center;
background-repeat: no-repeat;
background-attachment: fixed;
background-size: cover;
}

div {
  display: flex;
  justify-content: center;
}

.resp_t1 {
  width: 90%;
  max-width: 2000px;
  height: auto;
}

.resp_t2 {
  width: 90%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.resp_veid {
  width: 90%;
  max-width: 400px;
  height: auto;
}

.resp_juosta {
  width: 90%;
  max-width: 2000px;
  height: auto;
}

.content {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  background-color: pink;
}