:root{
--white: #fff;
--color: #003844;
}
.demo{ background: #e8e8e8; }
.btn{
color: var(--color);
background: var(--white);
font-family: "Signika Negative", sans-serif;
font-size: 24px;
font-weight: 700;
text-transform: capitalize;
padding: 4px 12px;
border-radius: 0;
border: 0;
transform: skew(-21deg);
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.1);
position: relative;
margin: 0 10px;
transition: all 0.3s ease-in-out;
}
.btn:hover{
color: var(--white);
}
.btn:before {
content: '';
background: var(--color);
opacity: 0;
position: absolute;
top: 0;
bottom: 0;
right: 100%;
left: 0;
transition: all 0.5s;
z-index: -1;
}
.btn:hover:before{
left: 0;
right: 0;
opacity: 1;
}
@media only screen and (max-width: 767px){
.btn{ margin-bottom: 30px; }
}