.btn{
    color: #c6994d;
    font-family: "Comfortaa", sans-serif;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0 7px;
    padding: 8px 15px;
    border: 2px solid transparent;
    border-radius: 0;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease-in-out;
}
.btn:hover{ 
    color: #906d32;
    border-color: #906d32;
}
.btn:before,
.btn:after{
    content:"";
    width: 16px;
    height: 16px;
    opacity: 0;
    position: absolute;
    top: -6px;
    left: -6px;
    border-width: 2px 0 0 2px;
    border-style: solid;
    border-color: #906d32;
    transition: all 0.3s ease-in-out;
}
.btn:after{
    top: auto;
    left: auto;
    bottom: -6px;
    right: -6px;
    border-width: 0 2px 2px 0;
}
.btn:hover:before,
.btn:hover:after{
    opacity: 1;
    width: calc(100% + 12px);
    height: calc(100% + 12px);
    border-color: #906d32;
}
@media only screen and (max-width: 767px){
    .btn{ margin-bottom: 30px; }
}