.tab {
    width: 100%;
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: #ffffff;
    border-radius: 5px;
}


/* Style the buttons inside the tab */

.tab button {
    width: 50%;
    background-color: inherit;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 7px 16px;
    transition: 0.3s;
    font-size: 17px;
    color: black;
}

.tab .button-dau-chu {
    width: 100%;
    border-top: 1px solid #cbcbcb !important;
}


/* Change background color of buttons on hover */

.tab button:hover {
    background-color: #f8f5f5;
}


/* Create an active/current tablink class */

.tab button.active {
    background-color: orange;
    color: white;
}

.tin-nhanh,
.tin-nhanh:hover,
.tin-nhanh:focus {
    color: white !important;
    background-color: orange !important;
    padding-top: 5px !important;
    padding-bottom: 5px !important;
    margin-top: 10px;
    margin-bottom: 10px;
}

.link-tin-nhanh {
    display: block;
    text-align: center;
    padding-bottom: 10px;
}

body {
    padding-top: 70px;
    font-size:16px;
  }
  @media screen and (min-width: 913px) {
    .my-mobile {
      display:none;
    }
  }
  @media screen and (max-width: 912px) {
    .my-desktop {
      display:none;
    }
  }
  @-webkit-keyframes demo {
      0% {
          color: Red;
          opacity:1;
      }
      22% {
          color: Red;
      }
      77% {
          color: Red;
      }
      100% {
          color: #777;
      }
  }
      
  .demo {
      -webkit-animation-name: demo;
      -webkit-animation-duration: 900ms;
      -webkit-animation-iteration-count: 1;
      -webkit-animation-timing-function: ease-in-out;
  }    
  
  .flash {
    animation: flash-animation 1s infinite;
  }
  
  
  
  @keyframes flash-animation {  
    0% {
          color: Red;
          opacity:1;
      }
     
      50% {
          color: #f7c7c7;
      }
      100% {
          color: Red;
          opacity:1;
      }
     
  }
  h1 {
      font-size: 1.5em;
      font-weight: 700;
      margin: 10px 0 8px 0;
  }
  h2 {
      font-size: 1.2em;
      font-weight: 500;
      margin: 2px 0 8px 0;
  }