.flex {display: -webkit-box; display: -ms-flexbox; display: -webkit-flex; display: flex;}
.flex_between {-webkit-justify-content: space-between; justify-content: space-between;}
.flex_around {-webkit-justify-content: space-around; justify-content: space-around;}
.flex_middle {-webkit-justify-content: center; justify-content: center;}
.flex_start {-webkit-justify-content: flex-start; justify-content: flex-start;}
.flex_center {-webkit-align-items: center; align-items: center;}
.flex_end {-webkit-align-items: flex-end; align-items: flex-end;}
.flex_col {-ms-flex-direction: column; -webkit-flex-direction: column; flex-direction: column;}
.flex_fixed { -wekkit-box-flex: 0 0 auto; -webkit-flex: 0 0 auto; -ms-flex: 0 0 auto; flex: 0 0 auto;}
.flex_5 { -wekkit-box-flex: 0 0 5%; -webkit-flex: 0 0 5%; -ms-flex: 0 0 5%; flex: 0 0 5%;}
.flex_10 { -wekkit-box-flex: 0 0 10%; -webkit-flex: 0 0 10%; -ms-flex: 0 0 10%; flex: 0 0 10%;}
.flex_15 { -wekkit-box-flex: 0 0 15%; -webkit-flex: 0 0 15%; -ms-flex: 0 0 15%; flex: 0 0 15%;}
.flex_20 { -wekkit-box-flex: 0 0 20%; -webkit-flex: 0 0 20%; -ms-flex: 0 0 20%; flex: 0 0 20%;}
.flex_25 { -wekkit-box-flex: 0 0 25%; -webkit-flex: 0 0 25%; -ms-flex: 0 0 25%; flex: 0 0 25%;}
.flex_30 { -wekkit-box-flex: 0 0 30%; -webkit-flex: 0 0 30%; -ms-flex: 0 0 30%; flex: 0 0 30%;}
.flex_30_grow { -wekkit-box-flex: 1 0 30%; -webkit-flex: 1 0 30%; -ms-flex: 1 0 30%; flex: 1 0 30%;}
.flex_300 { -wekkit-box-flex: 0 0 300px; -webkit-flex: 0 0 300px; -ms-flex: 0 0 300px; flex: 0 0 300px;}
.flex_40 { -wekkit-box-flex: 0 0 40%; -webkit-flex: 0 0 40%; -ms-flex: 0 0 40%; flex: 0 0 40%;}
.flex_50 { -wekkit-box-flex: 0 0 50%; -webkit-flex: 0 0 50%; -ms-flex: 0 0 50%; flex: 0 0 50%;}
.flex_75 { -wekkit-box-flex: 0 0 75%; -webkit-flex: 0 0 75%; -ms-flex: 0 0 75%; flex: 0 0 75%;}
.flex_50_grow { -wekkit-box-flex: 1 0 50%; -webkit-flex: 1 0 50%; -ms-flex: 1 0 50%; flex: 1 0 50%;}
.flex_300 { -wekkit-box-flex: 0 0 300px; -webkit-flex: 0 0 300px; -ms-flex: 0 0 300px; flex: 0 0 300px;}
.flex_350 { -wekkit-box-flex: 0 0 350px; -webkit-flex: 0 0 350px; -ms-flex: 0 0 350px; flex: 0 0 350px;}
.flex_grow { -wekkit-box-flex: 1 1 auto; -webkit-flex: 1 1 auto; -ms-flex: 1 1 auto; flex: 1 1 auto;}
.flex_grow_equal { -wekkit-box-flex: 1 1 auto; -webkit-flex: 1 1 auto; -ms-flex: 1 1 auto; flex: 1 1 auto;}
.flex_wrap { -wekkit-flex-wrap: wrap; -ms-flex-wrap: wrap; flex-wrap: wrap;}
.flex_one_col { -wekkit-box-flex: 0 0 100%; -webkit-flex: 0 0 100%; -ms-flex: 0 0 auto; flex: 0 0 100%;}
.flex_two_col { -wekkit-box-flex: 0 0 50%; -webkit-flex: 0 0 50%; -ms-flex: 0 0 auto; flex: 0 0 50%;}
.flex_three_col { -wekkit-box-flex: 0 0 33.334%; -webkit-flex: 0 0 33.334%; -ms-flex: 0 0 auto; flex: 0 0 33.334%;}