:root{
--white: #fff;
--color: #c44569;
}
.btn{
color: var(--color);
font-family: "Roboto Condensed", sans-serif;
font-size: 18px;
font-weight: 700;
text-transform: uppercase;
padding: 4px 12px;
border-radius: 0;
border: 2px solid var(--color);
position: relative;
overflow: hidden;
margin: 0 10px;
transition: all 0.3s ease-in-out;
z-index: 1;
}
.btn:hover{
color: var(--white);
box-shadow: 0 0 0 5px #cf6a87;
}
.btn:before{
content: "";
background: var(--color);
width: 20px;
height: 20px;
border-radius: 50%;
opacity: 0;
transform: translateX(-50%) translateY(-50%);
position: absolute;
top: 50%;
left: 50%;
transition: all 0.5s ease-in-out;
z-index: -1;
}
.btn:hover:before{
width: 150px;
height: 150px;
opacity: 1;
}
@media only screen and (max-width: 767px){
.btn{ margin-bottom: 30px; }
}