.image-div {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 80px;
    width: 100%;
}

#main-div {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
    margin: 100px auto;
    width: 96%;
}

.main-fon{
    position: fixed;
    margin: auto;
    width: 100%;
    height: 100%;  
    filter: brightness(50%);
    opacity: 0.55;
    z-index: -1;
}

.centr{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 100px;
}

.row > .card{
    width: 300px;
    height: 150px; 
    min-width: 250px;
    min-height: 100px; 
    padding: 0;
    margin: 20px;
}

.rounding{
    border-radius: 15% !important;
}

.btn-card{
    position: absolute;
    bottom: 5%; left: 50%; transform: translate(-50%);
    border: none;
    border-radius: 6px;
    transition: opacity 0.3s;
    background-color: aqua;
}

.btn-card:hover{
    opacity: 0.7;
}

.btn-card:active{
    opacity: 0.9;
}

.img {  
    width: 100%;
    height: 100%;  
    object-fit: cover;    
} 

.left-img{
    border-radius: 20px;
    background-position: top center;
    background-size: cover;
    background-repeat: no-repeat;
    width: 50%;
    height: 50%;
}

.circle-contacts{
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: turquoise;
    margin-right: 2%;
    width: 60px;
    height: 60px;
    border-radius: 50%;
}