css-arrow

by basecss

HTML

<div class="popup"></div>

<div class="box"></div>

<div class="demo bottom"></div>
<div class="demo left"></div>
<div class="demo top"></div>
<div class="demo right"></div>

CSS

.popup {
    position: relative;
    width: 300px;
    height: 130px;
    background-color: #ffffff;
    border: 1px solid #CCC;
    border-radius: 3px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
}
.popup:before, .popup:after {
    position: absolute;
    left: 50%;
    content: "";
    width: 0;
    height: 0;
}
.popup:before {
    top: 100%;
    margin-left: -8px;
    border-width: 12px;
    border-style: solid;
    border-color: #cccccc transparent transparent transparent;
}
.popup:after {
    top: 100%;
    margin-left: -7px;
    border-width: 11px;
    border-style: solid;
    border-color: #ffffff transparent transparent transparent;
}

.box {
    width: 0;
    height: 0;
    margin-top: 30px;
    border-width: 50px;
    border-style: solid;
    border-color: #09F #9C0 #F60 #666;
}
.demo {
    float: left;
    margin-top: 10px;
}
.bottom {
    width: 0;
    height: 0;
    border-width: 50px;
    border-style: solid;
    border-color: #09F transparent transparent transparent;
}
.left {
    width: 0;
    height: 0;
    border-width: 50px;
    border-style: solid;
    border-color: transparent #9C0 transparent transparent;
}
.top {
    width: 0;
    height: 0;
    border-width: 50px;
    border-style: solid;
    border-color: transparent transparent #f60 transparent;
}
.right {
    width: 0;
    height: 0;
    border-width: 50px;
    border-style: solid;
    border-color: transparent transparent transparent #666666;
}