.wrapper{
    position: relative;
    width: 800px;
    max-width: 100%;;
    height: auto;
    margin: auto;
}

.tit {
    width: 1000px;
    max-width: 100%;
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    text-shadow: #555 5px 2px;
    letter-spacing: 3px;
    padding: 10px;
    color: #eee;
    border-radius: 5px;
    box-shadow: 0px 3px 5px rgba(0,0,0,.4);
    margin: auto;
    margin-bottom: 15px;
}

.wrapper button{
    width: 800px;
    max-width: 100%;
    height: auto;
    /* background: linear-gradient(to left top, #2c8cc3, #030f46); */
    border-style: none;
    color:#f8d094;
    font-family: 'Lato';
    font-size: 36px;
    letter-spacing: 3px;
    text-shadow: black 2px 2px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    position: relative;
    padding: 10px;
    overflow: hidden;
    transition: all .5s;
    border-radius: 5px;
    box-shadow: 0px 3px 5px rgba(64,64,64,.4);
    margin-bottom: 15px;
}

.wrapper descricao-botao{
  border: 1px dotted #000;
  margin-bottom: 20px;
}

.descricao-titulo {
    border: 6px dotted green;
    padding: 10px 30px;
    margin: 10px 20px 30px 20px;  
}

.descricao-botao {
    border: 6px dotted blue;
    padding: 10px 30px;
    margin: 10px 20px 30px 20px;
}

.bg-transp{
    position: relative;
    width: 100%;
    min-width: 100px;
    max-width: 1000px;
    height: auto;
    opacity: 1;
    margin: 0px;
    background: transparent;
}

.bg-grey-lb{
    background: linear-gradient(to left bottom, #ddd, #444);
}

.bg-grey-rb{
    background: linear-gradient(to right bottom, #ddd, #444);
}

.bg-light-red{
    background: linear-gradient(to left top, #ff1111,#885555);
}

.bg-red-lt{
    background: linear-gradient(to left top, #ff0000, #aa0000);
}

.bg-red-lb{
    background: linear-gradient(to left bottom, #ff1111, #aa0000);
}

.bg-light-green{
    background: linear-gradient(to left top, #11ff11,#558855);
}

.bg-green-lt{
    background: linear-gradient(to left top, #556655, #113311);
}

.bg-green-rt{
    background: linear-gradient(to right top, #556655, #113311);
}

.bg-green-rb{
    background: linear-gradient(to right bottom, #556655, #113311);
}

.bg-light-blue{
    background: linear-gradient(to left bottom, #1111ff, #5555ff);
}

.bg-blue-lt {
    background: linear-gradient(to left top, #2c8cc3, #030f46);
}

.bg-blue-rb {
    background: linear-gradient(to right bottom, #2c8cc3, #030f46);
}

.bg-purple {
    background: linear-gradient(to left top, rgb(195, 44, 162), #940347);
}

#div-moldura span{
    position: absolute;
    display: block;
}

#div-moldura span:nth-child(1){
    height : 3px;
    width  : 100%;
    top    : 0px;
    left   : -100%;
    background: linear-gradient(to right, rgba(0,0,0,0), #f6e58d);
    border-top-right-radius: 1px;
    border-bottom-right-radius: 1px;
    animation: span1 20s linear infinite;
    animation-delay: 1s;
}

@keyframes span1{
    0%   {left: -100%}
    100% {left:  100%}
}
#div-moldura span:nth-child(2){
    height : 100%;
    width  : 3px;
    top    : -100%;
    right  : 0px;
    background: linear-gradient(to bottom, rgba(0,0,0,0), #f6e58d);
    border-bottom-left-radius: 1px;
    border-bottom-right-radius: 1px;
    animation: span2 20s linear infinite;
    animation-delay: 2s;
}
@keyframes span2{
    0%{
        top: -100%;
    }
    100%{
        top: 100%;
    }
}

#div-moldura span:nth-child(3){
    height :  3px;
    width  :  100%;
    right  : -100%;
    bottom :  0px;
    background: linear-gradient(to left, rgba(0,0,0,0), #f6e58d);
    border-top-left-radius: 1px;
    border-bottom-left-radius: 1px;
    animation: span3 20s linear infinite;
    animation-delay: 3s;
}

@keyframes span3{
    0%{
        right:-100%;
    }
    100%{
        right: 100%;
    }
}

#div-moldura span:nth-child(4){
    height : 100%;
    width  : 3px;
    bottom : -100%;
    left   : 0px;
    background: linear-gradient(to top, rgba(0,0,0,0), #f6e58d);
    border-top-right-radius: 1px;
    border-top-left-radius: 1px;
    animation: span4 20s linear infinite;
    animation-delay: 4s;
}
@keyframes span4{
    0% {
        bottom: -100%;
    }
    100% {
        bottom: 100%;
    }
}

.wrapper button:hover{
    transition: all .5s;
    transform: rotate(-3deg) scale(1.1);
    box-shadow: 0px 3px 5px rgba(0,0,0,.4);
}

.wrapper button:hover span{
    animation-play-state: paused;
}

@media (max-width: 500px) {

   .tit {
      font-size: 2em
   }

   .wrapper button {
      font-size: 1.2em
   }

}