:root{
--white: #fff;
--color: #ff3838;
}
.btn{
color: var(--color);
font-family: "Viga", sans-serif;
font-size: 24px;
font-weight: 600;
text-transform: capitalize;
letter-spacing: 1px;
padding: 6px 14px;
border: none;
border: 3px solid var(--color);
overflow: hidden;
position: relative;
z-index: 1;
transition: all 0.5s ease-in-out;
}
.btn:hover{
color: var(--white);
text-shadow: 0 0 10px rgba(0,0,0,0.6);
}
.btn:before,
.btn:after{
content: '';
background: var(--color);
width: 145px;
height: 145px;
border-radius: 50%;
transform: translateX(-90%) translateY(-50%);
position: absolute;
top: 50%;
left: 0%;
transition: 1s ease;
z-index: -1;
}
.btn:after{
transform: translateX(90%) translateY(-50%);
left: auto;
right: 0%;
}
.btn:hover:before{
left: 50%;
transform: translateX(-60%) translateY(-50%);
}
.btn:hover:after {
right: 50%;
transform: translateX(60%) translateY(-50%);
}
@media only screen and (max-width: 767px){
.btn{ margin-bottom: 30px; }
}