@{
    ViewData["Title"] = "UpdateParticipant";
}
<style>
    .text-center {
        margin-bottom: 30px;
    }

    .general_style {
        display: flex;
        justify-content: space-between;
    }

    .button_action {
        display: flex;
        background-color: #5a9ad6;
    }

        .button_action:hover {
            background-color: #225df2;
            color: white;
        }

    input {
        margin-bottom: 20px;
    }

    .spisok {
        margin-bottom: 20px;
    }

</style>
<div class="text-center">
    <h2 class="u-text u-text-custom-color-1 u-text-default u-text-1">Обновить участника</h2>
</div>
<form method="post">
    <div class="spisok">
        <label class="u-label u-text-custom-color-1 u-label-1">Участники: </label>
        <select class="form-control"></select>
    </div>
    <div class="form-group">
        <input type="text" placeholder="Введите ФИО участника" class="form-control" />
    </div>
    <div class="form-group">
        <input type="text" placeholder="Введите номер телефона участника" class="form-control" />
    </div>
    <div class="general_style">
        <div class="button">
            <button class="btn button_action">Сохранить</button>
        </div>
        <div class="button">
            <a asp-area="" asp-controller="Home" asp-action="Participants" class="btn button_action">Назад</a>
        </div>
    </div>
</form>