#myImg {
cursor: pointer;
transition: 0.3s;
}

#myImg:hover {opacity: 0.7;}

.modal {
display: none;
position: fixed; 
z-index: 1; 
padding-top: 100px; 
left: 0;
top: 0;
width: 100%; 
height: 100%; 
overflow: auto;
background-color: rgb(0,0,0); 
background-color: rgba(0,0,0,0.9);
}

/* image */
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
}

#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}

.modal-content, #caption {  
-webkit-animation-name: zoom;
-webkit-animation-duration: 0.6s;
animation-name: zoom;
animation-duration: 0.6s;
}

@-webkit-keyframes zoom {
from {-webkit-transform:scale(0)} 
to {-webkit-transform:scale(1)}
}

@keyframes zoom {
from {transform:scale(0)} 
to {transform:scale(1)}
}

.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: bold;
transition: 0.3s;
}

.close:hover,
.close:focus {
color: #bbb;
text-decoration: none;
cursor: pointer;
}

@media only screen and (max-width: 700px){
.modal-content {
width: 100%;
}
}