@media screen and (max-width: 640px){
.t-text_md { 
    font-size: 12px; 
    font-weight: 400;
color: #0b0b0b;
}}

@media screen and (min-width: 641px){
.t-text_md { 
    font-size: 16px; 
    font-weight: 400;
color: #0b0b0b;
}}