.slider-bottom__item {
width: calc(100% / 4);
height: 80px;
line-height: 80px;
cursor: pointer;
position: relative;
transition: background 0.3s ease;
}
.slider-bottom__item.active {
background: #ff7d00;
color: #fff;
border-bottom-left-radius: 20px;
border-bottom-right-radius: 20px;
}
.slider-bottom__item.active::before {
position: absolute;
content: '';
width: 0;
height: 0;
top: -20px;
left: 50%;
transform: translateX(-50%);
border-left: 15px solid transparent;
border-right: 15px solid transparent;
border-bottom: 25px solid #ff7d00;
z-index: 1;
}