/* FontAwesome for working BootSnippet :> */

@import url('https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');
#team {
/*    background: #eee !important;*/
}
/*
.btn-primary:hover,
.btn-primary:focus {
    background-color: #7300e6;
    border-color: #7300e6;
    box-shadow: none;
    outline: none;
}

.btn-primary {
    color: #fff;
    background-color: #17a2b8;
    border-color: #17a2b8;
    padding: 0.8rem 2rem;
}
*/
section {
    padding: 0px 0;
    /*padding: 60px 0;*/
    
}

section .section-title {
    text-align: center;
    color: #17a2b8;
    margin-bottom: 50px;
    text-transform: uppercase;
}

#team .card {
    border: none;
    background: #ffffff;
}

.image-flip:hover .backside,
.image-flip.hover .backside {
    -webkit-transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -o-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    transform: rotateY(0deg);
    border-radius: .25rem;
}

.image-flip:hover .frontside,
.image-flip.hover .frontside {
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    -o-transform: rotateY(180deg);
    transform: rotateY(180deg);
}

.mainflip {
    -webkit-transition: 1s;
    -webkit-transform-style: preserve-3d;
    -ms-transition: 1s;
    -moz-transition: 1s;
    -moz-transform: perspective(1000px);
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    transition: 1s;
    transform-style: preserve-3d;
    position: relative;
}

.frontside {
    position: relative;
    -webkit-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    z-index: 2;
    margin-bottom: 30px;
}

.backside {
    position: absolute;
    top: 0;
    left: 0;
    background: white;
    -webkit-transform: rotateY(-180deg);
    -moz-transform: rotateY(-180deg);
    -o-transform: rotateY(-180deg);
    -ms-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
    -webkit-box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);
    -moz-box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);
    box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);
}

.frontside,
.backside {
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    -ms-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transition: 1s;
    -webkit-transform-style: preserve-3d;
    -moz-transition: 1s;
    -moz-transform-style: preserve-3d;
    -o-transition: 1s;
    -o-transform-style: preserve-3d;
    -ms-transition: 1s;
    -ms-transform-style: preserve-3d;
    transition: 1s;
    transform-style: preserve-3d;
}

.frontside .card,
.backside .card {
    min-height: 312px;
}

.backside .card a {
    font-size: 18px;
    color: #17a2b8 !important;
}

.frontside .card .card-title,
.backside .card .card-title {
    color: #17a2b8 !important;
}

.frontside .card .card-body img {

	
    width: 120px;
   
	/*
	 height: 120px;
    border-radius: 50%;*/
}

.card-categories img {
/*    width: 120px;
    height: 120px;*/
    border-radius: 10px;
}




/*imtahana yazil knopkasi*/
.btn-glyphicon { padding:8px; background:#ffffff; margin-right:10px; }
.icon-btn { padding: 5px 15px 5px 5px; border-radius:20px;}







<!-- LOGIN REGISTRATION -->
.modal-header {
  padding: 0;
}
.modal-header .close {
  padding: 10px 15px;
  color: #17a2b8;
}
.modal-header ul {
  border: none;
}
.modal-header ul li {
  margin: 0;
}
.modal-header ul li a {
  border: none;
  color: #17a2b8;
/*  border-radius: 0;*/
}
.modal-header ul li.active a {
  /*color: #F00;*/
}
.modal-header ul li a:hover {
  border: none;
}
.modal-header ul li a span {
  margin-left: 10px;
}
.modal-body .form-group {
  margin-bottom: 10px;
}
<!-- LOGIN REGISTRATION --------------------------------------------- -->












<!-- MELUMAT BLOKU -->
.error-notice {
  margin: 5px 5px; /* Making sure to keep some distance from all side */

}

.oaerror {
/*  width: 90%; /* Configure it fit in your design  */
  margin: 0 auto; /* Centering Stuff */
  background-color: #FFFFFF; /* Default background */
  padding: 20px;
  border: 1px solid #eee;
  border-left-width: 5px;
  border-radius: 3px;
  margin: 0px 0 20px;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
}

.danger {
  border-left-color: #d9534f; /* Left side border color */
  background-color: rgba(217, 83, 79, 0.1); /* Same color as the left border with reduced alpha to 0.1 */
}

.danger strong {
  color:  #d9534f;
}

.warning {
  border-left-color: #f0ad4e;
  background-color: rgba(240, 173, 78, 0.1);
}

.warning strong {
  color: #f0ad4e;
}

.info {
  border-left-color: #5bc0de;
  background-color: rgba(91, 192, 222, 0.1);
}

.info strong {
  color: #5bc0de;
}

.success {
  border-left-color: #2b542c;
  background-color: rgba(43, 84, 44, 0.1);
}

.success strong {
  color: #2b542c;
}

<!-- MELUMAT BLOKU --------------------------------------------- -->















<!-- home page -->






h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
}

.masthead {
/*  min-height: 30rem;*/
  position: relative;
  display: table;
  width: 100%;
   height: calc(100vh - 56px);

  padding-top: 0rem;
  padding-bottom: 0rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%), url("../images/bg-masthead.jpg");
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.masthead h1 {
  font-size: 4rem;
  margin: 0;
  padding: 0;
}

.masthead h3 {
  font-size: 2rem;
  margin: 0;
  padding: 0;
}

@media (max-width: 600px) {
  .masthead {
   height: calc(100vh - 100px);

  }

  .masthead h1 {
    font-size: 1.8rem;
  }
 .masthead h3 {
    font-size: 1rem;
  }  
}


















/*
body {
    background-color: white;
}

.masthead {
  min-height: 30rem;
  position: relative;
  display: table;
  width: 100%;
  height: auto;
  height: calc(100vh - 56px);
  padding-top: 0rem;
  padding-bottom: 0rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%), url("../images/bg-masthead.jpg");
  background: url(../images/bg-masthead.jpg);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow:hidden;
}



.masthead h3 {
  font-size: 2rem;
  margin: 10;
  padding: 10;
}
*/
/*
@media (min-width: 992px) {
	
  .masthead {
   /* height: 100vh;*/
  /*height: calc(100vh - 56px);
  }
  
  
  .masthead span {
    font-size: 14rem;
  }
  
  .masthead h3 {
    font-size: 1.5rem;
  }  
  
}

@media (min-width: 200px) {
	
  .masthead span {
    font-size: 4rem;
  }
}
*/



<!-- home page --------------------------------------------- -->