How to use the fill attribute of input in elementUi?

the default click is blue. I want to change the color, but there is no effect after adding it in from. How can I change it?

       <el-form-item label="" prop="resource" fill="red">
          <el-radio-group v-model="ruleForm.resource">
            <el-radio label=""></el-radio>
            <el-radio label=""></el-radio>
          </el-radio-group>
        </el-form-item>

clipboard.png


< H2 > precompiled language (scss/less) < / H2 >

check box

.el-radio-group {
.el-radio__input.is-checked. El-radio__inner {

border-color: red;
background: red;

}
. El-radio__input. El-radio__inner {

&:hover {
  border: 1px solid red;
}

}
.el-radio__input.is-checked+.el-radio__label {

color: red;

}

< H2 >} < / H2 >

ordinary input box
.el-input {
.el-input__inner:focus {

border-color: red;

}
}

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bdcd11-30873.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bdcd11-30873.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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