FlexBox help

Hi, in want to create a website with some special flexbox sizes but i try http://the-echoplex.net/flexyboxes/ and i cant get my boxes how i want to...

Can u help me?

i upload a picture how it should be lookinghtml-seminar.de/woltlab/attachment/1778/

no, before i had normal boxes and someone told me to take flexboxes, its better, i try these and the old code dont work with flex...i have only the standard things, head, meta etc

i said that i try this on the flexbox website but i cant get the boxes how i want to.....how should i try to give u code when i try it but it doenst work???

.flex-container {
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-flex-direction: row;
-ms-flex-direction: row;
flex-direction: row;
-webkit-flex-wrap: nowrap;
-ms-flex-wrap: nowrap;
flex-wrap: nowrap;
-webkit-justify-content: flex-start;
-ms-flex-pack: start;
justify-content: flex-start;
-webkit-align-content: stretch;
-ms-flex-line-pack: stretch;
align-content: stretch;
-webkit-align-items: flex-start;
-ms-flex-align: start;
align-items: flex-start;
}

.flex-item:nth-child(1) {
-webkit-order: 0;
-ms-flex-order: 0;
order: 0;
-webkit-flex: 0 1 auto;
-ms-flex: 0 1 auto;
flex: 0 1 auto;
-webkit-align-self: auto;
-ms-flex-item-align: auto;
align-self: auto;
}

.flex-item:nth-child(2) {
-webkit-order: 0;
-ms-flex-order: 0;
order: 0;
-webkit-flex: 0 1 auto;
-ms-flex: 0 1 auto;
flex: 0 1 auto;
-webkit-align-self: stretch;
-ms-flex-item-align: stretch;
align-self: stretch;
}

.flex-item:nth-child(3) {
-webkit-order: 0;
-ms-flex-order: 0;
order: 0;
-webkit-flex: 1 1 auto;
-ms-flex: 1 1 auto;
flex: 1 1 auto;
-webkit-align-self: stretch;
-ms-flex-item-align: stretch;
align-self: stretch;
}

.flex-item:nth-child(4) {
-webkit-order: 0;
-ms-flex-order: 0;
order: 0;
-webkit-flex: 0 1 auto;
-ms-flex: 0 1 auto;
flex: 0 1 auto;
-webkit-align-self: auto;
-ms-flex-item-align: auto;
align-self: auto;
}

.flex-item:nth-child(5) {
-webkit-order: 0;
-ms-flex-order: 0;
order: 0;
-webkit-flex: 0 1 auto;
-ms-flex: 0 1 auto;
flex: 0 1 auto;
-webkit-align-self: auto;
-ms-flex-item-align: auto;
align-self: auto;
}

i deleted it

Zitat von Knuspakeks

i deleted it

but its fine, another person helped me