#message {
display: flex;
justify-content: space-between
}
#message p img {
display: none;
}
#message a.btn {
display: block;
position: absolute;
top:0;
left:0;
right:0;
bottom: 0
}
#message .mu {
width: 23%;
position: relative
}
#message .mu img {
width: 100%;
height: auto
}
#message .mu h3 {
margin-bottom: 1em;
font-size: 1.3rem;
text-align: left;
font-weight: normal
}
#message .mu small {
display: block
}