<div class="container">
<div class="sub_unit-nav-block">
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Герметики</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Трубы</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Замки фурнитура</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Изоляция</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Герметики</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Трубы</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Замки фурнитура</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Изоляция</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Герметики</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Трубы</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Замки фурнитура</span></a>
                                <a href="#" class="unit-nav_sub_unit-nav-block"><span class="text_unit-nav">Изоляция</span></a>
                            </div>
  </div>

body{
    background-color: black;
}
.container{
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  width: 100%;
}
.sub_unit-nav-block {
    display: grid;
    grid-template-columns: repeat( auto-fit, minmax(250px, 1fr) );
    max-height: 300px;
    min-width: 240px;
    height: auto;
    background: #E1363B;
    box-sizing: border-box;
    padding: 25px 30px 30px 30px;
}
.unit-nav_sub_unit-nav-block {
    color: white;
    text-decoration: none;
    font-size: 14px;
    margin-top: 17px;
    transition: 0.2s;
    font-family: 'robotoregular';
}
.unit-nav_sub_unit-nav-block:first-child {
    margin-top: 0;
}