.container1{
    display: flex;
    min-height: 100vh;
    background: #FCD4C8;
    
}

.contenedor{
    margin: 0 auto;
    width: 900px;
    height: 850px;
    display: flex;
    border: 5px outset ;
    background-color: black;
}

.contenedor .slider{
    width: 900px;
    height: 830px;
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    margin: 0 0.5rem 0 0.5rem;
    
}
.contenedor .slider li{
    width: 900px;
    
}
.contenedor .slider img{
    width: 100%;
    
}
.contenedor .slider ul{
    list-style: none;
    display: flex;
    width: 400%;
    height: 600px;
    order: 1;
    transition: all 0.9s;
   animation: slider 20s infinite alternate;
    padding: 0;
}


input[type="radio"]{
    display: none;
}
input[type="radio"] + label{
    display: block;
    margin: 0 auto;
    width: 24.5%;
    height: 200px;
    background: #DD8889;
    border: 1px solid #f3f3f3;
    cursor: pointer;
    order: 2;
   
}

#sbutton1 + label{
    background: url(../img/imgBig/1211\ S\ Spring\ Valley\ Dr\ Nampa\ ID\ \(EN\ VENTA\)/sv2.jpg);
    background-size: 100% 100%;
}
#sbutton2 + label{
    background: url(../img/imgBig/1211\ S\ Spring\ Valley\ Dr\ Nampa\ ID\ \(EN\ VENTA\)/sv3.jpg);
    background-size: 100% 100%;
}
#sbutton3 + label{
    background: url(../img/imgBig/1211\ S\ Spring\ Valley\ Dr\ Nampa\ ID\ \(EN\ VENTA\)/sv4.jpg);
    background-size: 100% 100%;
}
#sbutton4 + label{
    background: url(../img/imgBig/1211\ S\ Spring\ Valley\ Dr\ Nampa\ ID\ \(EN\ VENTA\)/sv5.jpg);
    background-size: 100% 100%;
}


#sbutton1:checked ~ ul{ margin-left: 0;animation: none;}
#sbutton2:checked ~ ul{ margin-left: -100%;animation: none;}
#sbutton3:checked ~ ul{ margin-left: -200%;animation: none;}
#sbutton4:checked ~ ul{ margin-left: -300%;animation: none;}

@keyframes slider{
    0% {margin-left: 0;}
    20% {margin-left: 0;}
    
    25% {margin-left:-100%;}
    45% {margin-left: -100%;}
    
    50% {margin-left:-200%;}
    70% {margin-left: -200%;}
    
    75% {margin-left:-300%;}
    100% {margin-left: -300%;}
}