@media only screen and (max-width: 1000px) {
.pictures{grid-template-columns:repeat(1,1fr)}
.pictures .pict_setka1,.pictures .pict_setka2,.pictures .pict_setka3,.pictures .pict_setka4{width:100%;margin:15px auto 5px}
}
@media only screen and (max-width: 550px) {
h1{font:bold .9em Arial,sans-serif}
th{font:bold 1em Arial,sans-serif}
}
@media only screen and (max-width: 450px) {
h1{font:bold .85em Arial,sans-serif}
th{font:bold .9em Arial,sans-serif}
}
@media only screen and (max-width: 400px) {
th{font:.9em Arial,sans-serif}
td{font:.85em Arial,sans-serif}
}