.btn{display: inline-block; padding: 0px 10px; font-size: 14px; color: #fff; border: 2px solid #108cf0; background-color: #108cf0; text-decoration: none; transition: 0.4s;}
.btn:hover{background-color: transparent; color: #108cf0; transition: 0.4s;}
.text-desc{position: absolute; left: 0; top: 0; background-color: #fff; height: 100%; opacity: 0; width: 100%; padding: 20px;}


/* effect-2 css */
.port-2{float: left; width: 100%; position: relative; overflow: hidden; text-align: center; border: 4px solid rgba(255, 255, 255, 0.9); perspective: 800px;}
.port-2 .text-desc{z-index: -1; transition: 0.6s;}
.port-2 .image-box{transition: 0.4s;}
.port-2:hover .image-box{transform: rotateX(80deg); transform-origin: center bottom 0; transition: 0.4s;}

.port-2.effect-2 .text-desc{opacity: 1; top: -100%;}
.port-2.effect-2:hover .text-desc{top: 0;}
.port-2.effect-2:hover .text-desc h3{font-size: 18px; color: #108cf0; margin-top: -20px;}
.port-2.effect-2:hover .text-desc p{height:56px; overflow: hidden; width: 90%;}
/* effect-2 css end */
.port-2 .image-box img{width: 100%;}