.button-menu nav {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-gap: 26px 26px;
    margin-bottom: 30px;
}

.button-menu-item a {
    display: block;
    background-color: #fcd000;
    text-decoration: none;
    text-align: center;
    height: 60px;
    vertical-align: middle;
    padding: 8px 4px;
}

.button-menu-item a:hover {
    background-color: #fcd000;
}

.button-menu-item a span{
    display: inline-block;
    vertical-align: middle;
    font-size: 20px;
    line-height: 21px;
}

.button-menu-item a:after {
    content: '';
    display: inline-block;
    height: 100%;
    width: 0;
    vertical-align: middle;
}

@media (max-width: 1300px){
    .button-menu-item a span {
        font-size: 18px;
    }
}

@media (max-width: 1100px){
    .button-menu-item a span {
        font-size: 16px;
    }

    .button-menu-item a {
        padding: 0px 4px;
    }    
}

@media (max-width: 600px){
    .button-menu nav {
        grid-template-columns: 1fr;
        grid-gap: 10px 26px;
    }
    
    .button-menu-item a {
        height: 50px;
    }
}