.solution-btn{display: flex;justify-content: center;}
.solution-btn a{font-weight: bold;font-size: 36px;color: #990000;line-height: 1;padding: 20px 38px;display: inline-block;border-radius: 50px;border: 1px solid #990000;margin-top: 20px;text-transform: uppercase;transition: all .3s ease-in-out;}
.solution-btn a:hover {background-image: linear-gradient(to right, var(--color), var(--color2), var(--color3));border: 1px solid var(--color);color: #fff;}