* { padding: 0; margin: 0; }

.nav-sep {
    padding: 0 5px;
}
.controls {

    overflow: hidden;
    margin: 60px 0 30px 0;
}

.controls .checkbox {
    float: left;
    font-size: 13px;
    color: #ddd;
    margin: 5px 20px 5px 0;
}

.test-remove {
    margin: -8px 20px 0 20px;
    line-height: 1;
    border: 0;
    background: #ddd;
    color: #555;
    padding: 7px 10px;
}


.items-container,
.data-test-items {
    overflow: hidden;
    margin: 0 0%;
}

.item {
    display: block;
    float: left;
    width: 25%;
    background: #00A0B0;
}



.item h2,
.item h3,
.item h4 {
    color: #fff;
    margin: 0 0 1em 0;
    font-weight: normal;
}

.item h2 {
    font-size: 24px;
}

.item h3 {
    font-size: 20px;
}

.item h4 {
    font-size: 16px;
}

.item-0 { background: #00A0B0; border-color: #008795 !important;  }
.item-1 { background: #6A4A3C; border-color: #52392e !important; }
.item-2 { background: #CC333F; border-color: #ad2b35 !important; }
.item-3 { background: #EB6841; border-color: #ca5938 !important; }
.item-4 { background: #EDC951; border-color: #d8b74a !important; }
.item-5 { background: #00A0B0; border-color: #008795 !important; }
.item-6 { background: #6A4A3C; border-color: #52392e !important; }
.item-7 { background: #CC333F; border-color: #ffffff !important; }
.item-8 { background: #ffffff; border-color: #ca5938 !important; }
.item-9 { background: #EDC951; border-color: #d8b74a !important; }
.item-10 { background: #00A0B0; border-color: #008795 !important; }
.item-11 { background: #6A4A3C; border-color: #52392e !important; }

.item img {
    display: block;
    max-width: 100%;
}

.item p:last-child {
    margin-bottom: 0;
}

.items-container.big-items .item {
    width: 50%;
}

/* test margins */

.test-margin .item {
    margin: 0%;
}

/* test a mix of padding amounts */

.test-padding .item {
    padding: 0px;
}

/* test a mix of border widths */

.test-border .item {
    border: 1px solid #eee;
}

.test-border .item-2 {
    border: 3px solid #eee;
}

.test-border .item-3 {
    border: 6px solid #eee;
}

.test-border .item-5 {
    border: 8px solid #eee;
}

.test-border .item-8 {
    border: 10px solid #eee;
}

/* test border-box */

.test-border-box .item {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

/* test fixed height items */

.items-container.fixed-items .item-0 {
    height: 300px;
}

.items-container.fixed-items .item-1 {
    height: 190px;
}

.items-container.fixed-items .item-2 {
    height: 230px;
}

.items-container.fixed-items .item-3 {
    height: 250px;
}

/* test responsive */

@media only screen and (min-width: 1601px) {
    .item,
    .items-container.big-items .item {
        width: 20%;
    }
}


@media only screen and (max-width: 1600px) and (min-width: 981px){
    .item,
    .items-container.big-items .item {
        width: 25%;
    }
}


@media only screen and (max-width: 980px) and (min-width: 641px){
    .item,
    .items-container.big-items .item {
        width: 50%;
    }
}


@media only screen and (max-width: 640px) {
    .test-margin .item,
    .test-margin .items-container.big-items .item {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
}