.tech-btn, .team-btn,.step2 {
    display: none;
}

.show-this {
    display: block;
    -webkit-animation: fadein 1s; /* Safari, Chrome and Opera > 12.1 */
    -moz-animation: fadein 1s; /* Firefox < 16 */
    -ms-animation: fadein 1s; /* Internet Explorer */
    -o-animation: fadein 1s; /* Opera < 12.1 */
    animation: fadein 1s;
}
.hide-this {
  display: none;
  opacity: 0;
  transition: visibility 0s 1s, opacity 1s linear;
}

/* Fade in animation - Opacity */
@keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Internet Explorer */
@-ms-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}
/* Fade in animation - Opacity */