.t-descr_md {
        font-size: 18px !important;
    }
    
    .t678 .t-input-group {
        margin-bottom: 20px !important;
    }
    
    @media screen and (min-width: 1200px) {
    .t-submit {
        padding-left: 320px !important;
        padding-right: 320px !important;
    }
    }
    
    @media screen and (max-width: 640px) {
        
        .t-descr_md {
            font-size: 14px !important;
        }
        
        .t-input {
            height: 50px !important;
        }
    
        .t-input__vis-ph {
             font-size: 14px !important;
        }
        
        .t-select {
            height: 50px !important;
            font-size: 14px !important;
        }
    } 
   
</style>