Overleaf/services/web/public/js/ace/ext/searchbox.css

/* ------------------------------------------------------------------------------------------
 * Editor Search Form
 * --------------------------------------------------------------------------------------- */
 .ace_search {
    background-color: #ddd;
    border: 1px solid #cbcbcb;
    border-top: 0 none;
    max-width: 297px;
    overflow: hidden;
    margin: 0;
    padding: 4px;
    padding-right: 6px;
    padding-bottom: 0;
    position: absolute;
    top: 0px;
    z-index: 99;
    white-space: normal;
}
.ace_search.left {
    border-left: 0 none;
    border-radius: 0px 0px 5px 0px;
    left: 0;
}
.ace_search.right {
    border-radius: 0px 0px 0px 5px;
    border-right: 0 none;
    right: 0;
}

.ace_search_form, .ace_replace_form {
    border-radius: 3px;
    border: 1px solid #cbcbcb;
    float: left;
    margin-bottom: 4px;
    overflow: hidden;
}
.ace_search_form.ace_nomatch {
    outline: 1px solid red;
}

.ace_search_field {
    background-color: white;
    border-right: 1px solid #cbcbcb;
    border: 0 none;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    display: block;
    float: left;
    height: 22px;
    outline: 0;
    padding: 0 7px;
    width: 214px;
    margin: 0;
}
.ace_searchbtn,
.ace_replacebtn {
    background: #fff;
    border: 0 none;
    border-left: 1px solid #dcdcdc;
    cursor: pointer;
    display: block;
    float: left;
    height: 22px;
    margin: 0;
    padding: 0;
    position: relative;
}
.ace_searchbtn:last-child,
.ace_replacebtn:last-child {
    border-top-right-radius: 3px;
    border-bottom-right-radius: 3px;
}
.ace_searchbtn:disabled {
    background: none;
    cursor: default;
}
.ace_searchbtn {
    background-position: 50% 50%;
    background-repeat: no-repeat;
    width: 27px;
}
.ace_searchbtn.prev {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAFCAYAAAB4ka1VAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADFJREFUeNpiSU1NZUAC/6E0I0yACYskCpsJiySKIiY0SUZk40FyTEgCjGgKwTRAgAEAQJUIPCE+qfkAAAAASUVORK5CYII=);    
}
.ace_searchbtn.next {
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAFCAYAAAB4ka1VAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADRJREFUeNpiTE1NZQCC/0DMyIAKwGJMUAYDEo3M/s+EpvM/mkKwCQxYjIeLMaELoLMBAgwAU7UJObTKsvAAAAAASUVORK5CYII=);    
}
.ace_searchbtn_close {
    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAcCAYAAABRVo5BAAAAZ0lEQVR42u2SUQrAMAhDvazn8OjZBilCkYVVxiis8H4CT0VrAJb4WHT3C5xU2a2IQZXJjiQIRMdkEoJ5Q2yMqpfDIo+XY4k6h+YXOyKqTIj5REaxloNAd0xiKmAtsTHqW8sR2W5f7gCu5nWFUpVjZwAAAABJRU5ErkJggg==) no-repeat 50% 0;
    border-radius: 50%;
    border: 0 none;
    color: #656565;
    cursor: pointer;
    display: block;
    float: right;
    font-family: Arial;
    font-size: 16px;
    height: 14px;
    line-height: 16px;
    margin: 5px 1px 9px 5px;
    padding: 0;
    text-align: center;
    width: 14px;
}
.ace_searchbtn_close:hover {
    background-color: #656565;
    background-position: 50% 100%;
    color: white;
}
.ace_replacebtn.prev {
    width: 54px
}
.ace_replacebtn.next {
    width: 27px
}

.ace_button {
    margin-left: 2px;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    -ms-user-select: none;
    user-select: none;
    overflow: hidden;
    opacity: 0.7;
    border: 1px solid rgba(100,100,100,0.23);
    padding: 1px;
    -moz-box-sizing: border-box;
    box-sizing:    border-box;
    color: black;
}

.ace_button:hover {
    background-color: #eee;
    opacity:1;
}
.ace_button:active {
    background-color: #ddd;
}

.ace_button.checked {
    border-color: #3399ff;
    opacity:1;
}

.ace_search_options{
    margin-bottom: 3px;
    text-align: right;
    -webkit-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    -ms-user-select: none;
    user-select: none;
}