.btn{

transition:.35s;

}

.btn:hover{

box-shadow:0 15px 40px rgba(236,223,204,.25);

}

.menu a{

position:relative;

}

.menu a::after{

content:"";

position:absolute;

right:0;

bottom:-6px;

width:0;

height:2px;

background:#ECDFCC;

transition:.3s;

}

.menu a:hover::after{

width:100%;

}